102220101010120 has 16 divisors (see below), whose sum is σ = 229995227272860. Its totient is φ = 40888040404032.

The previous prime is 102220101010073. The next prime is 102220101010151. The reversal of 102220101010120 is 21010101022201.

It can be written as a sum of positive squares in 2 ways, for example, as 98346769996036 + 3873331014084 = 9916994^2 + 1968078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102220101010120.

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, 1277751262587 + ... + 1277751262666.

Almost surely, 2^{102220101010120} is an apocalyptic number.

102220101010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220101010120 is an abundant number, since it is smaller than the sum of its proper divisors (127775126262740).

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

102220101010120 is a wasteful number, since it uses less digits than its factorization.

102220101010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555502525264 (or 2555502525260 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102220101010120 its reverse (21010101022201), we get a palindrome (123230202032321).

The spelling of 102220101010120 in words is "one hundred two trillion, two hundred twenty billion, one hundred one million, ten thousand, one hundred twenty".