113221321221200 has 60 divisors (see below), whose sum is σ = 272015330493888. Its totient is φ = 45288344304000.

The previous prime is 113221321221179. The next prime is 113221321221221. The reversal of 113221321221200 is 2122123122311.

It is an interprime number because it is at equal distance from previous prime (113221321221179) and next prime (113221321221221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141982799 + ... + 142778001.

Almost surely, 2^{113221321221200} is an apocalyptic number.

113221321221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113221321221200 is an abundant number, since it is smaller than the sum of its proper divisors (158794009272688).

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

113221321221200 is a wasteful number, since it uses less digits than its factorization.

113221321221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151172 (or 1151161 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 113221321221200 its reverse (2122123122311), we get a palindrome (115343444343511).

The spelling of 113221321221200 in words is "one hundred thirteen trillion, two hundred twenty-one billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred".