102101210210120 has 64 divisors (see below), whose sum is σ = 250613318917440. Its totient is φ = 37127526508800.

The previous prime is 102101210210011. The next prime is 102101210210177. The reversal of 102101210210120 is 21012012101201.

It is a super-2 number, since 2×102101210210120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102101210210095 and 102101210210104.

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, 111856775 + ... + 112765865.

It is an arithmetic number, because the mean of its divisors is an integer number (3915833108085).

Almost surely, 2^{102101210210120} is an apocalyptic number.

102101210210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101210210120 is an abundant number, since it is smaller than the sum of its proper divisors (148512108707320).

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

102101210210120 is a wasteful number, since it uses less digits than its factorization.

102101210210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164366 (or 1164362 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102101210210120 its reverse (21012012101201), we get a palindrome (123113222311321).

The spelling of 102101210210120 in words is "one hundred two trillion, one hundred one billion, two hundred ten million, two hundred ten thousand, one hundred twenty".