113112113 has 4 divisors (see below), whose sum is σ = 114661668. Its totient is φ = 111562560.

The previous prime is 113112061. The next prime is 113112199. The reversal of 113112113 is 311211311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311211311 = 653 ⋅476587.

It can be written as a sum of positive squares in 2 ways, for example, as 92025649 + 21086464 = 9593^2 + 4592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113112113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113112613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774668 + ... + 774813.

It is an arithmetic number, because the mean of its divisors is an integer number (28665417).

Almost surely, 2^113112113 is an apocalyptic number.

It is an amenable number.

113112113 is a deficient number, since it is larger than the sum of its proper divisors (1549555).

113112113 is an equidigital number, since it uses as much as digits as its factorization.

113112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549554.

The product of its digits is 18, while the sum is 14.

The square root of 113112113 is about 10635.4178573293. The cubic root of 113112113 is about 483.6186478210.

Adding to 113112113 its reverse (311211311), we get a palindrome (424323424).

It can be divided in two parts, 11 and 3112113, that multiplied together give a palindrome (34233243).

The spelling of 113112113 in words is "one hundred thirteen million, one hundred twelve thousand, one hundred thirteen".