111101227090 has 64 divisors (see below), whose sum is σ = 232085793024. Its totient is φ = 37503341568.

The previous prime is 111101227043. The next prime is 111101227123. The reversal of 111101227090 is 90722101111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10767774 + ... + 10778086.

It is an arithmetic number, because the mean of its divisors is an integer number (3626340516).

Almost surely, 2^111101227090 is an apocalyptic number.

111101227090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111101227090 is an abundant number, since it is smaller than the sum of its proper divisors (120984565934).

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

111101227090 is a wasteful number, since it uses less digits than its factorization.

111101227090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 111101227090 in words is "one hundred eleven billion, one hundred one million, two hundred twenty-seven thousand, ninety".