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102112220100001 = 17312231237702413
BaseRepresentation
bin10111001101111011011010…
…100110110011010110100001
3111101112211111012002010021211
4113031323122212303112201
5101341001311321200001
61001101412321550121
730336236001563446
oct2715733246632641
9441484435063254
10102112220100001
112a599605206061
12b552047aa5341
1344c91aab25647
141b303876759cd
15bc128e732351
hex5cdeda9b35a1

102112220100001 has 32 divisors (see below), whose sum is σ = 112197790752768. Its totient is φ = 92513392081920.

The previous prime is 102112220099969. The next prime is 102112220100043. The reversal of 102112220100001 is 100001022211201.

It is a cyclic number.

It is not a de Polignac number, because 102112220100001 - 25 = 102112220099969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112220100701) 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, 145022271 + ... + 145724683.

It is an arithmetic number, because the mean of its divisors is an integer number (3506180961024).

Almost surely, 2102112220100001 is an apocalyptic number.

It is an amenable number.

102112220100001 is a deficient number, since it is larger than the sum of its proper divisors (10085570652767).

102112220100001 is a wasteful number, since it uses less digits than its factorization.

102112220100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703921.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102112220100001 its reverse (100001022211201), we get a palindrome (202113242311202).

The spelling of 102112220100001 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty million, one hundred thousand, one".

Divisors: 1 17 31 223 527 1237 3791 6913 21029 38347 117521 275851 651899 702413 4689467 8551381 11941021 21774803 145373477 156638099 370171651 868884881 2662847683 4855781069 14771042977 26935431311 82548278173 193761328463 457902332287 3293942583871 6006601182353 102112220100001