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102111201012101 = 1929593141013289
BaseRepresentation
bin10111001101111010011101…
…110111010010100110000101
3111101112201212011111002111112
4113031322131313102212011
5101340442214424341401
61001101123235214405
730336201515512631
oct2715723567224605
9441481764432445
10102111201012101
112a599131a35256
12b551a02747405
1344c9077964258
141b302cc199dc1
15bc12300303bb
hex5cde9ddd2985

102111201012101 has 16 divisors (see below), whose sum is σ = 113076478440000. Its totient is φ = 91818100434816.

The previous prime is 102111201012097. The next prime is 102111201012127. The reversal of 102111201012101 is 101210102111201.

It is not a de Polignac number, because 102111201012101 - 22 = 102111201012097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111201012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570474136 + ... + 1570539153.

It is an arithmetic number, because the mean of its divisors is an integer number (7067279902500).

Almost surely, 2102111201012101 is an apocalyptic number.

It is an amenable number.

102111201012101 is a deficient number, since it is larger than the sum of its proper divisors (10965277427899).

102111201012101 is a wasteful number, since it uses less digits than its factorization.

102111201012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141013396.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102111201012101 its reverse (101210102111201), we get a palindrome (203321303123302).

The spelling of 102111201012101 in words is "one hundred two trillion, one hundred eleven billion, two hundred one million, twelve thousand, one hundred one".

Divisors: 1 19 29 59 551 1121 1711 32509 3141013289 59679252491 91089385381 185319784051 1730698322239 3521075896969 5374273737479 102111201012101