102121120112120 has 32 divisors (see below), whose sum is σ = 229971802680720. Its totient is φ = 40813020057600.

The previous prime is 102121120112017. The next prime is 102121120112153. The reversal of 102121120112120 is 21211021121201.

It is a super-2 number, since 2×102121120112120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 1107077906 + ... + 1107170145.

Almost surely, 2^{102121120112120} is an apocalyptic number.

102121120112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102121120112120 is an abundant number, since it is smaller than the sum of its proper divisors (127850682568600).

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

102121120112120 is a wasteful number, since it uses less digits than its factorization.

102121120112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214249215 (or 2214249211 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121120112120 its reverse (21211021121201), we get a palindrome (123332141233321).

The spelling of 102121120112120 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty".