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102222220221211 = 29431811789253157
BaseRepresentation
bin10111001111100001110111…
…000111111101101100011011
3111101221100102021201020221011
4113033201313013331230123
5101344302101334034321
61001224123434154351
730350211624310336
oct2717416707755433
9441840367636834
10102222220221211
112a631222429242
12b56b4268829b7
13450668b36576c
141b3582088b61d
15bc407b850ae1
hex5cf8771fdb1b

102222220221211 has 32 divisors (see below), whose sum is σ = 108865433476800. Its totient is φ = 95815454999040.

The previous prime is 102222220221181. The next prime is 102222220221217. The reversal of 102222220221211 is 112122022222201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102222220221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222220221217) 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, 403663245 + ... + 403916401.

It is an arithmetic number, because the mean of its divisors is an integer number (3402044796150).

Almost surely, 2102222220221211 is an apocalyptic number.

102222220221211 is a deficient number, since it is larger than the sum of its proper divisors (6643213255589).

102222220221211 is a wasteful number, since it uses less digits than its factorization.

102222220221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255199.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102222220221211 its reverse (112122022222201), we get a palindrome (214344242443412).

The spelling of 102222220221211 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 29 43 181 1247 1789 5249 7783 51881 76927 225707 253157 323809 2230883 7341553 9390461 10885751 13923787 45821417 315686779 403789823 452897873 1328821093 1970320931 13134038317 19474608539 57139306999 81974515013 564763647631 2377260935377 3524904145559 102222220221211