113111103 has 16 divisors (see below), whose sum is σ = 172679936. Its totient is φ = 64514880.

The previous prime is 113111099. The next prime is 113111137. The reversal of 113111103 is 301111311.

It is not a de Polignac number, because 113111103 - 2² = 113111099 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 (113111203) 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, 7275 + ... + 16707.

It is an arithmetic number, because the mean of its divisors is an integer number (10792496).

Almost surely, 2^113111103 is an apocalyptic number.

113111103 is a deficient number, since it is larger than the sum of its proper divisors (59568833).

113111103 is an equidigital number, since it uses as much as digits as its factorization.

113111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 113111103 is about 10635.3703743687. The cubic root of 113111103 is about 483.6172083751.

Adding to 113111103 its reverse (301111311), we get a palindrome (414222414).

The spelling of 113111103 in words is "one hundred thirteen million, one hundred eleven thousand, one hundred three".