111012113 has 4 divisors (see below), whose sum is σ = 111149808. Its totient is φ = 110874420.

The previous prime is 111012067. The next prime is 111012149. The reversal of 111012113 is 311210111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311210111 = 71 ⋅4383241.

It is a cyclic number.

It is not a de Polignac number, because 111012113 - 2²⁰ = 109963537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012094 and 111012103.

It is not an unprimeable number, because it can be changed into a prime (111012313) 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, 67631 + ... + 69252.

It is an arithmetic number, because the mean of its divisors is an integer number (27787452).

Almost surely, 2^111012113 is an apocalyptic number.

It is an amenable number.

111012113 is a deficient number, since it is larger than the sum of its proper divisors (137695).

111012113 is an equidigital number, since it uses as much as digits as its factorization.

111012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137694.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 111012113 is about 10536.2285947107. The cubic root of 111012113 is about 480.6070343601.

Adding to 111012113 its reverse (311210111), we get a palindrome (422222224).

The spelling of 111012113 in words is "one hundred eleven million, twelve thousand, one hundred thirteen".