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102212112121011 = 32461102124128659
BaseRepresentation
bin10111001111011000011100…
…101000100111110010110011
3111101220101022211112120012200
4113033120130220213302303
5101344120401200333021
61001215332430354243
730346403265005424
oct2717303450476263
9441811284476180
10102212112121011
112a627a0569aa22
12b56948565b983
13450573a159899
141b3514222964b
15bc3b8923d126
hex5cf61ca27cb3

102212112121011 has 24 divisors (see below), whose sum is σ = 148104900063120. Its totient is φ = 67926998001600.

The previous prime is 102212112121001. The next prime is 102212112121027. The reversal of 102212112121011 is 110121211212201.

It is a happy number.

102212112121011 is a `hidden beast` number, since 1 + 0 + 221 + 211 + 21 + 210 + 1 + 1 = 666.

It is not a de Polignac number, because 102212112121011 - 210 = 102212112119987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102212112121001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7828201 + ... + 16300458.

It is an arithmetic number, because the mean of its divisors is an integer number (6171037502630).

Almost surely, 2102212112121011 is an apocalyptic number.

102212112121011 is a deficient number, since it is larger than the sum of its proper divisors (45892787942109).

102212112121011 is a wasteful number, since it uses less digits than its factorization.

102212112121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24130147 (or 24130144 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 102212112121011 its reverse (110121211212201), we get a palindrome (212333323333212).

The spelling of 102212112121011 in words is "one hundred two trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, eleven".

Divisors: 1 3 9 461 1021 1383 3063 4149 9189 470681 1412043 4236129 24128659 72385977 217157931 11123311799 24635360839 33369935397 73906082517 100109806191 221718247551 11356901346779 34070704040337 102212112121011