111201916 has 24 divisors (see below), whose sum is σ = 222657120. Its totient is φ = 47603712.

The previous prime is 111201907. The next prime is 111201917. The reversal of 111201916 is 619102111.

It is a super-2 number, since 2×111201916² = 24731732244142112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31740 + ... + 35068.

It is an arithmetic number, because the mean of its divisors is an integer number (9277380).

Almost surely, 2^111201916 is an apocalyptic number.

It is an amenable number.

111201916 is an abundant number, since it is smaller than the sum of its proper divisors (111455204).

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

111201916 is a wasteful number, since it uses less digits than its factorization.

111201916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 22.

The square root of 111201916 is about 10545.2319083081. The cubic root of 111201916 is about 480.8807844210.

The spelling of 111201916 in words is "one hundred eleven million, two hundred one thousand, nine hundred sixteen".