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2112102110111 = 710952152310159
BaseRepresentation
bin11110101111000011000…
…110001001001110011111
321110220201000202002022012
4132233003012021032133
5234101041120010421
64254141502141435
7305410600501310
oct36570306111637
97426630662265
102112102110111
11744812640384
122a140a88187b
1312422a40a6c6
1474324d0c607
1539e1990795b
hex1ebc318939f

2112102110111 has 32 divisors (see below), whose sum is σ = 2445559142400. Its totient is φ = 1786722312960.

The previous prime is 2112102110093. The next prime is 2112102110113. The reversal of 2112102110111 is 1110112012112.

It is a cyclic number.

It is not a de Polignac number, because 2112102110111 - 210 = 2112102109087 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 (2112102110113) 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, 207899450 + ... + 207909608.

It is an arithmetic number, because the mean of its divisors is an integer number (76423723200).

Almost surely, 22112102110111 is an apocalyptic number.

2112102110111 is a deficient number, since it is larger than the sum of its proper divisors (333457032289).

2112102110111 is a wasteful number, since it uses less digits than its factorization.

2112102110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319.

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

Adding to 2112102110111 its reverse (1110112012112), we get a palindrome (3222214122223).

The spelling of 2112102110111 in words is "two trillion, one hundred twelve billion, one hundred two million, one hundred ten thousand, one hundred eleven".

Divisors: 1 7 109 521 523 763 3647 3661 10159 56789 57007 71113 272483 397523 399049 1107331 1907381 5292839 5313157 7751317 29700647 37049873 37192099 207904529 576919451 579134113 2768154797 4038436157 4053938791 19377083579 301728872873 2112102110111