222112222202100 has 72 divisors (see below), whose sum is σ = 664804858203360. Its totient is φ = 57187514679680.

The previous prime is 222112222202081. The next prime is 222112222202149. The reversal of 222112222202100 is 1202222211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12765061542 + ... + 12765078941.

It is an arithmetic number, because the mean of its divisors is an integer number (9233400808380).

Almost surely, 2^{222112222202100} is an apocalyptic number.

222112222202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112222202100 is an abundant number, since it is smaller than the sum of its proper divisors (442692636001260).

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

222112222202100 is a wasteful number, since it uses less digits than its factorization.

222112222202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530140529 (or 25530140522 counting only the distinct ones).

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

Adding to 222112222202100 its reverse (1202222211222), we get a palindrome (223314444413322).

The spelling of 222112222202100 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred".