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102220111010212 = 22131965771365581
BaseRepresentation
bin10111001111011111111001…
…011001111101100110100100
3111101221010222021212020101021
4113033133321121331212210
5101344233241404311322
61001223134250340524
730350105433311206
oct2717377131754644
9441833867766337
10102220111010212
112a63033a879858
12b56ab3842a744
1345064133a1210
141b356a06c4776
15bc3ea65b94c7
hex5cf7f967d9a4

102220111010212 has 12 divisors (see below), whose sum is σ = 192645593827036. Its totient is φ = 47178512773920.

The previous prime is 102220111010197. The next prime is 102220111010317. The reversal of 102220111010212 is 212010111022201.

It can be written as a sum of positive squares in 2 ways, for example, as 49763204924416 + 52456906085796 = 7054304^2 + 7242714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982885682739 + ... + 982885682842.

Almost surely, 2102220111010212 is an apocalyptic number.

It is an amenable number.

102220111010212 is a deficient number, since it is larger than the sum of its proper divisors (90425482816824).

102220111010212 is a wasteful number, since it uses less digits than its factorization.

102220111010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965771365598 (or 1965771365596 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102220111010212 its reverse (212010111022201), we get a palindrome (314230222032413).

The spelling of 102220111010212 in words is "one hundred two trillion, two hundred twenty billion, one hundred eleven million, ten thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 1965771365581 3931542731162 7863085462324 25555027752553 51110055505106 102220111010212