102220121202120 has 96 divisors (see below), whose sum is σ = 332241627294720. Its totient is φ = 27256546504320.

The previous prime is 102220121202107. The next prime is 102220121202149. The reversal of 102220121202120 is 21202121022201.

It is a happy number.

102220121202120 is a `hidden beast` number, since 1 + 0 + 2 + 220 + 121 + 202 + 120 = 666.

It is a super-2 number, since 2×102220121202120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102220121202093 and 102220121202102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6642954 + ... + 15766073.

It is an arithmetic number, because the mean of its divisors is an integer number (3460850284320).

Almost surely, 2^{102220121202120} is an apocalyptic number.

102220121202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220121202120 is an abundant number, since it is smaller than the sum of its proper divisors (230021506092600).

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

102220121202120 is a wasteful number, since it uses less digits than its factorization.

102220121202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22421715 (or 22421708 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102220121202120 its reverse (21202121022201), we get a palindrome (123422242224321).

The spelling of 102220121202120 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty".