111113122013103 has 32 divisors (see below), whose sum is σ = 170496489848832. Its totient is φ = 63050537340000.

The previous prime is 111113122013093. The next prime is 111113122013123. The reversal of 111113122013103 is 301310221311111.

It is a de Polignac number, because none of the positive numbers 2^k-111113122013103 is a prime.

It is a super-2 number, since 2×111113122013103² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111113122013103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113122013123) 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, 2852578 + ... + 15177728.

It is an arithmetic number, because the mean of its divisors is an integer number (5328015307776).

Almost surely, 2^{111113122013103} is an apocalyptic number.

111113122013103 is a deficient number, since it is larger than the sum of its proper divisors (59383367835729).

111113122013103 is a wasteful number, since it uses less digits than its factorization.

111113122013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328155.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 111113122013103 its reverse (301310221311111), we get a palindrome (412423343324214).

The spelling of 111113122013103 in words is "one hundred eleven trillion, one hundred thirteen billion, one hundred twenty-two million, thirteen thousand, one hundred three".