111208113 has 16 divisors (see below), whose sum is σ = 168772800. Its totient is φ = 72329760.

The previous prime is 111208099. The next prime is 111208117. The reversal of 111208113 is 311802111.

It is a happy number.

It is not a de Polignac number, because 111208113 - 2⁶ = 111208049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111208117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49123 + ... + 51336.

It is an arithmetic number, because the mean of its divisors is an integer number (10548300).

Almost surely, 2^111208113 is an apocalyptic number.

It is an amenable number.

111208113 is a deficient number, since it is larger than the sum of its proper divisors (57564687).

111208113 is a wasteful number, since it uses less digits than its factorization.

111208113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100509 (or 100503 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 111208113 is about 10545.5257336939. The cubic root of 111208113 is about 480.8897170095.

The spelling of 111208113 in words is "one hundred eleven million, two hundred eight thousand, one hundred thirteen".