111146113 has 16 divisors (see below), whose sum is σ = 123492096. Its totient is φ = 99368640.

The previous prime is 111146111. The next prime is 111146131. The reversal of 111146113 is 311641111.

It is a cyclic number.

It is not a de Polignac number, because 111146113 - 2¹ = 111146111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111146111) 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, 149220 + ... + 149962.

It is an arithmetic number, because the mean of its divisors is an integer number (7718256).

Almost surely, 2^111146113 is an apocalyptic number.

111146113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111146113 is a deficient number, since it is larger than the sum of its proper divisors (12345983).

111146113 is a wasteful number, since it uses less digits than its factorization.

111146113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 72, while the sum is 19.

The square root of 111146113 is about 10542.5856885301. The cubic root of 111146113 is about 480.8003329284.

Adding to 111146113 its reverse (311641111), we get a palindrome (422787224).

The spelling of 111146113 in words is "one hundred eleven million, one hundred forty-six thousand, one hundred thirteen".