111020131112 has 32 divisors (see below), whose sum is σ = 234412012800. Its totient is φ = 48835833600.

The previous prime is 111020131109. The next prime is 111020131141. The reversal of 111020131112 is 211131020111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20345537 + ... + 20350992.

It is an arithmetic number, because the mean of its divisors is an integer number (7325375400).

Almost surely, 2^111020131112 is an apocalyptic number.

It is an amenable number.

111020131112 is an abundant number, since it is smaller than the sum of its proper divisors (123391881688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020131112 is a wasteful number, since it uses less digits than its factorization.

111020131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40696577 (or 40696573 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111020131112 its reverse (211131020111), we get a palindrome (322151151223).

The spelling of 111020131112 in words is "one hundred eleven billion, twenty million, one hundred thirty-one thousand, one hundred twelve".