102221200120 has 32 divisors (see below), whose sum is σ = 247689832320. Its totient is φ = 37743212160.

The previous prime is 102221200099. The next prime is 102221200163. The reversal of 102221200120 is 21002122201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 102221200120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98289096 + ... + 98290135.

It is an arithmetic number, because the mean of its divisors is an integer number (7740307260).

Almost surely, 2^102221200120 is an apocalyptic number.

102221200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221200120 is an abundant number, since it is smaller than the sum of its proper divisors (145468632200).

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

102221200120 is a wasteful number, since it uses less digits than its factorization.

102221200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196579255 (or 196579251 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102221200120 its reverse (21002122201), we get a palindrome (123223322321).

The spelling of 102221200120 in words is "one hundred two billion, two hundred twenty-one million, two hundred thousand, one hundred twenty".