102101110120120 has 16 divisors (see below), whose sum is σ = 229727497770360. Its totient is φ = 40840444048032.

The previous prime is 102101110120111. The next prime is 102101110120129. The reversal of 102101110120120 is 21021011101201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102101110120111) and next prime (102101110120129).

It is a self number, because there is not a number n which added to its sum of digits gives 102101110120120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101110120129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276263876462 + ... + 1276263876541.

Almost surely, 2^{102101110120120} is an apocalyptic number.

102101110120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101110120120 is an abundant number, since it is smaller than the sum of its proper divisors (127626387650240).

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

102101110120120 is a wasteful number, since it uses less digits than its factorization.

102101110120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552527753014 (or 2552527753010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101110120120 its reverse (21021011101201), we get a palindrome (123122121221321).

The spelling of 102101110120120 in words is "one hundred two trillion, one hundred one billion, one hundred ten million, one hundred twenty thousand, one hundred twenty".