102221371273720 has 16 divisors (see below), whose sum is σ = 229998085365960. Its totient is φ = 40888548509472.

The previous prime is 102221371273711. The next prime is 102221371273811. The reversal of 102221371273720 is 27372173122201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2555534281843 = 102221371273720 / (1 + 0 + 2 + 2 + 2 + 1 + 3 + 7 + 1 + 2 + 7 + 3 + 7 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277767140882 + ... + 1277767140961.

Almost surely, 2^{102221371273720} is an apocalyptic number.

102221371273720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221371273720 is an abundant number, since it is smaller than the sum of its proper divisors (127776714092240).

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

102221371273720 is a wasteful number, since it uses less digits than its factorization.

102221371273720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555534281854 (or 2555534281850 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 102221371273720 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred seventy-one million, two hundred seventy-three thousand, seven hundred twenty".