111021211200090 has 64 divisors (see below), whose sum is σ = 280477711463040. Its totient is φ = 28047156618240.

The previous prime is 111021211200089. The next prime is 111021211200113. The reversal of 111021211200090 is 90002112120111.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53450662 + ... + 55488878.

It is an arithmetic number, because the mean of its divisors is an integer number (4382464241610).

Almost surely, 2^{111021211200090} is an apocalyptic number.

111021211200090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111021211200090 is an abundant number, since it is smaller than the sum of its proper divisors (169456500262950).

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

111021211200090 is a wasteful number, since it uses less digits than its factorization.

111021211200090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133807.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 111021211200090 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred thousand, ninety".