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221102112201120 = 2533551181044491
BaseRepresentation
bin110010010001011101011000…
…110110110101100110100000
31001222212011012100122021012000
4302101131120312311212200
5212440014111210413440
62102124524053004000
764400046312435633
oct6221353066654640
91058764170567160
10221102112201120
11644a4974243337
122096b0a2023600
13964aabbb1b417
143c85583a8dc1a
151a8659004d730
hexc91758db59a0

221102112201120 has 96 divisors (see below), whose sum is σ = 773857392719040. Its totient is φ = 58960563252480.

The previous prime is 221102112201107. The next prime is 221102112201137. The reversal of 221102112201120 is 21102211201122.

221102112201120 is a `hidden beast` number, since 2 + 2 + 110 + 211 + 220 + 1 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2211021122011202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221102112201093 and 221102112201102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25590517926 + ... + 25590526565.

It is an arithmetic number, because the mean of its divisors is an integer number (8061014507490).

Almost surely, 2221102112201120 is an apocalyptic number.

221102112201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221102112201120 is an abundant number, since it is smaller than the sum of its proper divisors (552755280517920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221102112201120 is a wasteful number, since it uses less digits than its factorization.

221102112201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51181044515 (or 51181044501 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 221102112201120 its reverse (21102211201122), we get a palindrome (242204323402242).

The spelling of 221102112201120 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twelve million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 51181044491 102362088982 153543133473 204724177964 255905222455 307086266946 409448355928 460629400419 511810444910 614172533892 767715667365 818896711856 921258800838 1023620889820 1228345067784 1381888201257 1535431334730 1637793423712 1842517601676 2047241779640 2303147002095 2456690135568 2763776402514 3070862669460 3685035203352 4094483559280 4606294004190 4913380271136 5527552805028 6141725338920 6909441006285 7370070406704 8188967118560 9212588008380 11055105610056 12283450677840 13818882012570 14740140813408 18425176016760 22110211220112 24566901355680 27637764025140 36850352033520 44220422440224 55275528050280 73700704067040 110551056100560 221102112201120