102120102302120 has 64 divisors (see below), whose sum is σ = 263110451990400. Its totient is φ = 34943819408640.

The previous prime is 102120102302041. The next prime is 102120102302143. The reversal of 102120102302120 is 21203201021201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358123346 + ... + 358408385.

It is an arithmetic number, because the mean of its divisors is an integer number (4111100812350).

Almost surely, 2^{102120102302120} is an apocalyptic number.

102120102302120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120102302120 is an abundant number, since it is smaller than the sum of its proper divisors (160990349688280).

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

102120102302120 is a wasteful number, since it uses less digits than its factorization.

102120102302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716532258 (or 716532254 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102120102302120 its reverse (21203201021201), we get a palindrome (123323303323321).

The spelling of 102120102302120 in words is "one hundred two trillion, one hundred twenty billion, one hundred two million, three hundred two thousand, one hundred twenty".