102222102012100 has 72 divisors (see below), whose sum is σ = 253512144878720. Its totient is φ = 35047393701120.

The previous prime is 102222102012083. The next prime is 102222102012133. The reversal of 102222102012100 is 1210201222201.

It is a happy 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, 244853737 + ... + 245270863.

Almost surely, 2^{102222102012100} is an apocalyptic number.

102222102012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222102012100 is an abundant number, since it is smaller than the sum of its proper divisors (151290042866620).

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

102222102012100 is a wasteful number, since it uses less digits than its factorization.

102222102012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767237 (or 767230 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102222102012100 its reverse (1210201222201), we get a palindrome (103432303234301).

The spelling of 102222102012100 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred two million, twelve thousand, one hundred".