113112111 has 16 divisors (see below), whose sum is σ = 181433600. Its totient is φ = 61233408.

The previous prime is 113112061. The next prime is 113112199. The reversal of 113112111 is 111211311.

It is not a de Polignac number, because 113112111 - 2⁶ = 113112047 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 (113112011) 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, 141346 + ... + 142143.

It is an arithmetic number, because the mean of its divisors is an integer number (11339600).

Almost surely, 2^113112111 is an apocalyptic number.

113112111 is a deficient number, since it is larger than the sum of its proper divisors (68321489).

113112111 is a wasteful number, since it uses less digits than its factorization.

113112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283518.

The product of its digits is 6, while the sum is 12.

The square root of 113112111 is about 10635.4177633039. The cubic root of 113112111 is about 483.6186449706.

Adding to 113112111 its reverse (111211311), we get a palindrome (224323422).

The spelling of 113112111 in words is "one hundred thirteen million, one hundred twelve thousand, one hundred eleven".