102120121120 has 48 divisors (see below), whose sum is σ = 242521993728. Its totient is φ = 40634172160.

The previous prime is 102120121087. The next prime is 102120121217. The reversal of 102120121120 is 21121021201.

It is a self number, because there is not a number n which added to its sum of digits gives 102120121120.

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, 1640254 + ... + 1701373.

It is an arithmetic number, because the mean of its divisors is an integer number (5052541536).

Almost surely, 2^102120121120 is an apocalyptic number.

102120121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120121120 is an abundant number, since it is smaller than the sum of its proper divisors (140401872608).

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

102120121120 is a wasteful number, since it uses less digits than its factorization.

102120121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341833 (or 3341825 counting only the distinct ones).

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

Adding to 102120121120 its reverse (21121021201), we get a palindrome (123241142321).

The spelling of 102120121120 in words is "one hundred two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty".