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101220012201120 = 2535382155188439
BaseRepresentation
bin10111000000111100011110…
…110111110001010010100000
3111021101112112200111210022020
4113000330132313301102200
5101231342041110413440
6555135455350141440
730214622155560051
oct2700743667612240
9437345480453266
10101220012201120
112a2851910a615a
12b429149351880
1344630107bac77
141add1090ba728
15ba7e713363d0
hex5c0f1edf14a0

101220012201120 has 96 divisors (see below), whose sum is σ = 318926489132160. Its totient is φ = 26984938644480.

The previous prime is 101220012201101. The next prime is 101220012201137. The reversal of 101220012201120 is 21102210022101.

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

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101220012201120.

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, 25760140 + ... + 29428299.

It is an arithmetic number, because the mean of its divisors is an integer number (3322150928460).

Almost surely, 2101220012201120 is an apocalyptic number.

101220012201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220012201120 is an abundant number, since it is smaller than the sum of its proper divisors (217706476931040).

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

101220012201120 is a wasteful number, since it uses less digits than its factorization.

101220012201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55192278 (or 55192270 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220012201120 its reverse (21102210022101), we get a palindrome (122322222223221).

The spelling of 101220012201120 in words is "one hundred one trillion, two hundred twenty billion, twelve million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 3821 7642 11463 15284 19105 22926 30568 38210 45852 57315 61136 76420 91704 114630 122272 152840 183408 229260 305680 366816 458520 611360 917040 1834080 55188439 110376878 165565317 220753756 275942195 331130634 441507512 551884390 662261268 827826585 883015024 1103768780 1324522536 1655653170 1766030048 2207537560 2649045072 3311306340 4415075120 5298090144 6622612680 8830150240 13245225360 26490450720 210875025419 421750050838 632625076257 843500101676 1054375127095 1265250152514 1687000203352 2108750254190 2530500305028 3163125381285 3374000406704 4217500508380 5061000610056 6326250762570 6748000813408 8435001016760 10122001220112 12652501525140 16870002033520 20244002440224 25305003050280 33740004067040 50610006100560 101220012201120