111311102 has 32 divisors (see below), whose sum is σ = 195416064. Its totient is φ = 46569600.

The previous prime is 111311029. The next prime is 111311131. The reversal of 111311102 is 201113111.

It is a happy number.

It is a super-2 number, since 2×111311102² = 24780322856908808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111827 + ... + 112817.

It is an arithmetic number, because the mean of its divisors is an integer number (6106752).

Almost surely, 2^111311102 is an apocalyptic number.

111311102 is a deficient number, since it is larger than the sum of its proper divisors (84104962).

111311102 is a wasteful number, since it uses less digits than its factorization.

111311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

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

The square root of 111311102 is about 10550.4076698486. The cubic root of 111311102 is about 481.0381206614.

Adding to 111311102 its reverse (201113111), we get a palindrome (312424213).

The spelling of 111311102 in words is "one hundred eleven million, three hundred eleven thousand, one hundred two".