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102222211120212 = 2231915724781115237
BaseRepresentation
bin10111001111100001110110…
…100101001111110001010100
3111101221100101122120212201010
4113033201312211033301110
5101344302042021321322
61001224122511132220
730350211454043661
oct2717416645176124
9441840348525633
10102222211120212
112a631218282557
12b56b423814070
1345066894ca161
141b3581d59ca68
15bc407ab5420c
hex5cf87694fc54

102222211120212 has 96 divisors (see below), whose sum is σ = 252683671703680. Its totient is φ = 32073516034560.

The previous prime is 102222211120151. The next prime is 102222211120217. The reversal of 102222211120212 is 212021112222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222211120217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887003058 + ... + 887118294.

Almost surely, 2102222211120212 is an apocalyptic number.

102222211120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222211120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126341835851840).

102222211120212 is an abundant number, since it is smaller than the sum of its proper divisors (150461460583468).

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

102222211120212 is a wasteful number, since it uses less digits than its factorization.

102222211120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140201 (or 140199 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102222211120212 its reverse (212021112222201), we get a palindrome (314243323342413).

The spelling of 102222211120212 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 157 228 314 471 628 942 1884 2983 5966 8949 11932 17898 24781 35796 49562 74343 99124 115237 148686 230474 297372 345711 460948 470839 691422 941678 1382844 1412517 1883356 2189503 2825034 3890617 4379006 5650068 6568509 7781234 8758012 11671851 13137018 15562468 18092209 23343702 26274036 36184418 46687404 54276627 72368836 73921723 108553254 147843446 217106508 221765169 295686892 343751971 443530338 687503942 887060676 1031255913 1375007884 2062511826 2855688097 4125023652 5711376194 8567064291 11422752388 17134128582 34268257164 54258073843 108516147686 162774221529 217032295372 325548443058 448343031229 651096886116 896686062458 1345029093687 1793372124916 2690058187374 5380116374748 8518517593351 17037035186702 25555552780053 34074070373404 51111105560106 102222211120212