102222201209992 has 16 divisors (see below), whose sum is σ = 191666772486540. Its totient is φ = 51111061880256.

The previous prime is 102222201209963. The next prime is 102222201209993. The reversal of 102222201209992 is 299902102222201.

It can be written as a sum of positive squares in 2 ways, for example, as 67625853568036 + 34596347641956 = 8223494^2 + 5881866^2 .

It is not an unprimeable number, because it can be changed into a prime (102222201209993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8560618 + ... + 16665190.

Almost surely, 2^{102222201209992} is an apocalyptic number.

It is an amenable number.

102222201209992 is a deficient number, since it is larger than the sum of its proper divisors (89444571276548).

102222201209992 is a wasteful number, since it uses less digits than its factorization.

102222201209992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681192 (or 9681188 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 102222201209992 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred one million, two hundred nine thousand, nine hundred ninety-two".