102221121120 has 96 divisors (see below), whose sum is σ = 332383564800. Its totient is φ = 26379640320.

The previous prime is 102221121113. The next prime is 102221121161. The reversal of 102221121120 is 21121122201.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102221121120.

It is a congruent number.

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, 3419970 + ... + 3449729.

It is an arithmetic number, because the mean of its divisors is an integer number (3462328800).

Almost surely, 2^102221121120 is an apocalyptic number.

102221121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221121120 is an abundant number, since it is smaller than the sum of its proper divisors (230162443680).

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

102221121120 is a wasteful number, since it uses less digits than its factorization.

102221121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6869748 (or 6869740 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102221121120 its reverse (21121122201), we get a palindrome (123342243321).

The spelling of 102221121120 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".