102220099992 has 48 divisors (see below), whose sum is σ = 276873236640. Its totient is φ = 34070027328.

The previous prime is 102220099991. The next prime is 102220100051. The reversal of 102220099992 is 299990022201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220099991) 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, 734238 + ... + 862290.

It is an arithmetic number, because the mean of its divisors is an integer number (5768192430).

Almost surely, 2^102220099992 is an apocalyptic number.

102220099992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102220099992 is an abundant number, since it is smaller than the sum of its proper divisors (174653136648).

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

102220099992 is a wasteful number, since it uses less digits than its factorization.

102220099992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139152 (or 139145 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 102220099992 in words is "one hundred two billion, two hundred twenty million, ninety-nine thousand, nine hundred ninety-two".