111099906 has 12 divisors (see below), whose sum is σ = 240716502. Its totient is φ = 37033296.

The previous prime is 111099893. The next prime is 111099907. The reversal of 111099906 is 609990111.

It can be written as a sum of positive squares in only one way, i.e., 94770225 + 16329681 = 9735^2 + 4041^2 .

It is a super-2 number, since 2×111099906² = 24686378226417672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111099907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086091 + ... + 3086126.

Almost surely, 2^111099906 is an apocalyptic number.

111099906 is an abundant number, since it is smaller than the sum of its proper divisors (129616596).

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

111099906 is a wasteful number, since it uses less digits than its factorization.

111099906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172225 (or 6172222 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 111099906 is about 10540.3940154057. The cubic root of 111099906 is about 480.7336956592.

The spelling of 111099906 in words is "one hundred eleven million, ninety-nine thousand, nine hundred six".