102102222972 has 24 divisors (see below), whose sum is σ = 252252551376. Its totient is φ = 32032069888.

The previous prime is 102102222947. The next prime is 102102222973. The reversal of 102102222972 is 279222201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102222973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250250343 + ... + 250250750.

It is an arithmetic number, because the mean of its divisors is an integer number (10510522974).

Almost surely, 2^102102222972 is an apocalyptic number.

102102222972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102102222972 is an abundant number, since it is smaller than the sum of its proper divisors (150150328404).

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

102102222972 is a wasteful number, since it uses less digits than its factorization.

102102222972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500501117 (or 500501115 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 102102222972 in words is "one hundred two billion, one hundred two million, two hundred twenty-two thousand, nine hundred seventy-two".