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102221111012209 = 7163571306751157
BaseRepresentation
bin10111001111100000110101…
…000000101010101101110001
3111101221020112222112121020021
4113033200311000222231301
5101344242313404342314
61001223421412043441
730350142265221010
oct2717406500525561
9441836488477207
10102221111012209
112a6308032a4092
12b56b177303581
13450654260c287
141b35757432a77
15bc401429b324
hex5cf83502ab71

102221111012209 has 32 divisors (see below), whose sum is σ = 117787384073216. Its totient is φ = 86898013755840.

The previous prime is 102221111012203. The next prime is 102221111012219. The reversal of 102221111012209 is 902210111122201.

It is not a de Polignac number, because 102221111012209 - 225 = 102221077457777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221111012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1998158659 + ... + 1998209815.

It is an arithmetic number, because the mean of its divisors is an integer number (3680855752288).

Almost surely, 2102221111012209 is an apocalyptic number.

It is an amenable number.

102221111012209 is a deficient number, since it is larger than the sum of its proper divisors (15566273061007).

102221111012209 is a wasteful number, since it uses less digits than its factorization.

102221111012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54965.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 102221111012209 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred eleven million, twelve thousand, two hundred nine".

Divisors: 1 7 163 571 1141 3067 3997 21469 51157 93073 358099 499921 651511 1751257 3499447 8338591 12258799 29210647 58370137 156898519 204474529 285454891 1098289633 1998184237 4761335461 25574458597 33329348227 89589054349 179021210179 627123380443 14603015858887 102221111012209