222220112221200 has 60 divisors (see below), whose sum is σ = 711845092819088. Its totient is φ = 59258696592000.

The previous prime is 222220112221183. The next prime is 222220112221201. The reversal of 222220112221200 is 2122211022222.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (222220112221201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92591712226 + ... + 92591714625.

Almost surely, 2^{222220112221200} is an apocalyptic number.

222220112221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220112221200 is an abundant number, since it is smaller than the sum of its proper divisors (489624980597888).

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

222220112221200 is a wasteful number, since it uses less digits than its factorization.

222220112221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185183426872 (or 185183426861 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222220112221200 its reverse (2122211022222), we get a palindrome (224342323243422).

The spelling of 222220112221200 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, two hundred".