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122111202102 = 23108007188431
BaseRepresentation
bin111000110111001100…
…1010001001100110110
3102200012010202210022220
41301232121101030312
54000040431431402
6132032550503210
711552013043401
oct1615631211466
9380163683286
10122111202102
114787265454a
121b7ba964b06
13b6906c7c96
145ca58aad38
15329a4d1dbc
hex1c6e651336

122111202102 has 16 divisors (see below), whose sum is σ = 244225961472. Its totient is φ = 40703141160.

The previous prime is 122111202029. The next prime is 122111202137. The reversal of 122111202102 is 201202111221.

It is a super-2 number, since 2×1221112021022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553827 + ... + 742257.

It is an arithmetic number, because the mean of its divisors is an integer number (15264122592).

Almost surely, 2122111202102 is an apocalyptic number.

122111202102 is an abundant number, since it is smaller than the sum of its proper divisors (122114759370).

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

122111202102 is a wasteful number, since it uses less digits than its factorization.

122111202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296443.

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

Adding to 122111202102 its reverse (201202111221), we get a palindrome (323313313323).

The spelling of 122111202102 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, one hundred two".

Divisors: 1 2 3 6 108007 188431 216014 324021 376862 565293 648042 1130586 20351867017 40703734034 61055601051 122111202102