102221112122200 has 24 divisors (see below), whose sum is σ = 237664085684580. Its totient is φ = 40888444848800.

The previous prime is 102221112122177. The next prime is 102221112122201. The reversal of 102221112122200 is 2221211122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221112122201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255552780106 + ... + 255552780505.

Almost surely, 2^{102221112122200} is an apocalyptic number.

102221112122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221112122200 is an abundant number, since it is smaller than the sum of its proper divisors (135442973562380).

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

102221112122200 is a wasteful number, since it uses less digits than its factorization.

102221112122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511105560627 (or 511105560618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102221112122200 its reverse (2221211122201), we get a palindrome (104442323244401).

Subtracting from 102221112122200 its reverse (2221211122201), we obtain a palindrome (99999900999999).

The spelling of 102221112122200 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred".