102101120112120 has 64 divisors (see below), whose sum is σ = 314581829548320. Its totient is φ = 26491101433344.

The previous prime is 102101120112119. The next prime is 102101120112139. The reversal of 102101120112120 is 21211021101201.

It is a happy number.

It is a super-2 number, since 2×102101120112120² (a number of 29 digits) contains 22 as substring.

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 102101120112120.

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, 11497869447 + ... + 11497878326.

Almost surely, 2^{102101120112120} is an apocalyptic number.

102101120112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101120112120 is an abundant number, since it is smaller than the sum of its proper divisors (212480709436200).

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

102101120112120 is a wasteful number, since it uses less digits than its factorization.

102101120112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22995747824 (or 22995747820 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102101120112120 its reverse (21211021101201), we get a palindrome (123312141213321).

The spelling of 102101120112120 in words is "one hundred two trillion, one hundred one billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty".