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101122011212020 = 22579110119581201
BaseRepresentation
bin10110111111100001001101…
…100011101010100011110100
3111021001011120211100201111021
4112333201031203222203310
5101223240334332241040
6555022451032550524
730204552464113501
oct2677411543524364
9437034524321437
10101122011212020
112a2476710a1587
12b412158b52444
1344569c319a616
141ad848d7384a8
15ba563786624a
hex5bf84d8ea8f4

101122011212020 has 48 divisors (see below), whose sum is σ = 215046599846400. Its totient is φ = 39936362918400.

The previous prime is 101122011211939. The next prime is 101122011212051. The reversal of 101122011212020 is 20212110221101.

It is a super-2 number, since 2×1011220112120202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101122011211985 and 101122011212003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173697420 + ... + 174278620.

It is an arithmetic number, because the mean of its divisors is an integer number (4480137496800).

Almost surely, 2101122011212020 is an apocalyptic number.

101122011212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101122011212020 is an abundant number, since it is smaller than the sum of its proper divisors (113924588634380).

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

101122011212020 is a wasteful number, since it uses less digits than its factorization.

101122011212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691408 (or 691406 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101122011212020 its reverse (20212110221101), we get a palindrome (121334121433121).

The spelling of 101122011212020 in words is "one hundred one trillion, one hundred twenty-two billion, eleven million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 110119 220238 440476 550595 581201 1101190 1162402 2202380 2324804 2906005 5812010 8699401 11624020 17398802 34797604 43497005 45914879 86994010 91829758 173988020 183659516 229574395 459148790 918297580 64001272919 128002545838 256005091676 320006364595 640012729190 1280025458380 5056100560601 10112201121202 20224402242404 25280502803005 50561005606010 101122011212020