102221321330120 has 64 divisors (see below), whose sum is σ = 234339932815920. Its totient is φ = 40116640205824.

The previous prime is 102221321330101. The next prime is 102221321330207. The reversal of 102221321330120 is 21033123122201.

It can be written as a sum of positive squares in 8 ways, for example, as 84859949106916 + 17361372223204 = 9211946^2 + 4166698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290512214 + ... + 290863866.

Almost surely, 2^{102221321330120} is an apocalyptic number.

102221321330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221321330120 is an abundant number, since it is smaller than the sum of its proper divisors (132118611485800).

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

102221321330120 is a wasteful number, since it uses less digits than its factorization.

102221321330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488834 (or 488830 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102221321330120 its reverse (21033123122201), we get a palindrome (123254444452321).

The spelling of 102221321330120 in words is "one hundred two trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred thirty thousand, one hundred twenty".