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22112102010120 = 23351031789005017
BaseRepresentation
bin1010000011100010111111…
…11111000100110100001000
32220021220012102000111210120
411001301133333010310020
510344241041103310440
6115010054234143240
74441355333625543
oct501613777046410
986256172014716
1022112102010120
11705576513a281
122591582281b20
13c45215687a75
1456633514185a
152852be76ddd0
hex141c5ffc4d08

22112102010120 has 64 divisors (see below), whose sum is σ = 66980347873920. Its totient is φ = 5839312372224.

The previous prime is 22112102010107. The next prime is 22112102010127. The reversal of 22112102010120 is 2101020121122.

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 22112102010120.

It is not an unprimeable number, because it can be changed into a prime (22112102010127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894490149 + ... + 894514868.

It is an arithmetic number, because the mean of its divisors is an integer number (1046567935530).

Almost surely, 222112102010120 is an apocalyptic number.

22112102010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112102010120 is an abundant number, since it is smaller than the sum of its proper divisors (44868245863800).

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

22112102010120 is a wasteful number, since it uses less digits than its factorization.

22112102010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789005134 (or 1789005130 counting only the distinct ones).

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

Adding to 22112102010120 its reverse (2101020121122), we get a palindrome (24213122131242).

The spelling of 22112102010120 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 103 120 206 309 412 515 618 824 1030 1236 1545 2060 2472 3090 4120 6180 12360 1789005017 3578010034 5367015051 7156020068 8945025085 10734030102 14312040136 17890050170 21468060204 26835075255 35780100340 42936120408 53670150510 71560200680 107340301020 184267516751 214680602040 368535033502 552802550253 737070067004 921337583755 1105605100506 1474140134008 1842675167510 2211210201012 2764012751265 3685350335020 4422420402024 5528025502530 7370700670040 11056051005060 22112102010120