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122111122002 = 231953193104717
BaseRepresentation
bin111000110111001100…
…0111101101001010010
3102200012010121201110020
41301232120331221102
54000040421401002
6132032545044310
711552012261022
oct1615630755122
9380163551406
10122111122002
11478725aa351
121b7ba926696
13b69069a69c
145ca5889a82
15329a4b82bc
hex1c6e63da52

122111122002 has 64 divisors (see below), whose sum is σ = 263286184320. Its totient is φ = 37637443584.

The previous prime is 122111121989. The next prime is 122111122019. The reversal of 122111122002 is 200221111221.

It is a super-2 number, since 2×1221111220022 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1113748 + ... + 1218464.

It is an arithmetic number, because the mean of its divisors is an integer number (4113846630).

Almost surely, 2122111122002 is an apocalyptic number.

122111122002 is an abundant number, since it is smaller than the sum of its proper divisors (141175062318).

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

122111122002 is a wasteful number, since it uses less digits than its factorization.

122111122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104987.

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

Adding to 122111122002 its reverse (200221111221), we get a palindrome (322332233223).

The spelling of 122111122002 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, two".

Divisors: 1 2 3 6 19 38 53 57 106 114 159 193 318 386 579 1007 1158 2014 3021 3667 6042 7334 10229 11001 20458 22002 30687 61374 104717 194351 209434 314151 388702 583053 628302 1166106 1989623 3979246 5550001 5968869 11100002 11937738 16650003 20210381 33300006 40420762 60631143 105450019 121262286 210900038 316350057 383997239 632700114 767994478 1071150193 1151991717 2142300386 2303983434 3213450579 6426901158 20351853667 40703707334 61055561001 122111122002