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102110111201111 = 131011491996434079
BaseRepresentation
bin10111001101111001011100…
…111001111111011101010111
3111101112122001012210221212112
4113031321130321333131113
5101340433001431413421
61001100423144541235
730336132513334256
oct2715713471773527
9441478035727775
10102110111201111
112a59872284a112
12b55175978181b
1344c8c32c40190
141b3022755079d
15bc11b950d45b
hex5cde5ce7f757

102110111201111 has 64 divisors (see below), whose sum is σ = 112562956800000. Its totient is φ = 92064118924800.

The previous prime is 102110111201047. The next prime is 102110111201191. The reversal of 102110111201111 is 111102111011201.

It is a cyclic number.

It is not a de Polignac number, because 102110111201111 - 26 = 102110111201047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110111201191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25033121570 + ... + 25033125648.

It is an arithmetic number, because the mean of its divisors is an integer number (1758796200000).

Almost surely, 2102110111201111 is an apocalyptic number.

102110111201111 is a deficient number, since it is larger than the sum of its proper divisors (10452845598889).

102110111201111 is a wasteful number, since it uses less digits than its factorization.

102110111201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 102110111201111 its reverse (111102111011201), we get a palindrome (213212222212312).

The spelling of 102110111201111 in words is "one hundred two trillion, one hundred ten billion, one hundred eleven million, two hundred one thousand, one hundred eleven".

Divisors: 1 13 101 149 199 643 1313 1937 2587 4079 8359 15049 20099 29651 53027 64943 95807 127957 195637 261287 385463 411979 607771 811721 844259 1245491 1663441 2622797 2994751 5355727 7901023 9676507 10552373 12923657 19065593 34096361 38931763 61384871 81983821 120946429 125794591 168007541 247852709 264902497 390796753 521936603 798003323 1065789673 1572303577 1925624893 3443732461 5080357789 6785175839 12215589329 25033123609 39470472053 52715596903 77768553847 158802661277 513116136689 685302759739 1010991200011 7854623938547 102110111201111