111331220916 has 48 divisors (see below), whose sum is σ = 277776959040. Its totient is φ = 34581619200.

The previous prime is 111331220909. The next prime is 111331220927. The reversal of 111331220916 is 619022133111.

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, 2681086 + ... + 2722293.

It is an arithmetic number, because the mean of its divisors is an integer number (5787019980).

Almost surely, 2^111331220916 is an apocalyptic number.

It is an amenable number.

111331220916 is an abundant number, since it is smaller than the sum of its proper divisors (166445738124).

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

111331220916 is a wasteful number, since it uses less digits than its factorization.

111331220916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403504 (or 5403502 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 111331220916 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred twenty thousand, nine hundred sixteen".