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1110123031111 = 4321669359731
BaseRepresentation
bin10000001001111000011…
…111010010101001000111
310221010102101100000210221
4100021320133102221013
5121142012443443421
62205552233125211
7143126612033533
oct20117037225107
93833371300727
101110123031111
11398889568106
1215b195b59807
13808b8111203
143ba31ad4bc3
151dd24562841
hex102787d2a47

1110123031111 has 12 divisors (see below), whose sum is σ = 1137224368920. Its totient is φ = 1083653529840.

The previous prime is 1110123031099. The next prime is 1110123031189. The reversal of 1110123031111 is 1111303210111.

It is not a de Polignac number, because 1110123031111 - 27 = 1110123030983 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 (1110123031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2906116 + ... + 3265846.

It is an arithmetic number, because the mean of its divisors is an integer number (94768697410).

Almost surely, 21110123031111 is an apocalyptic number.

1110123031111 is a deficient number, since it is larger than the sum of its proper divisors (27101337809).

1110123031111 is an equidigital number, since it uses as much as digits as its factorization.

1110123031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361486 (or 361443 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1110123031111 its reverse (1111303210111), we get a palindrome (2221426241222).

The spelling of 1110123031111 in words is "one trillion, one hundred ten billion, one hundred twenty-three million, thirty-one thousand, one hundred eleven".

Divisors: 1 43 1669 1849 71767 359731 3085981 15468433 600391039 665142619 25816814677 1110123031111