102030131221120 has 128 divisors (see below), whose sum is σ = 253706055482880. Its totient is φ = 39194041036800.

The previous prime is 102030131221033. The next prime is 102030131221189. The reversal of 102030131221120 is 21122131030201.

It is a tau number, because it is divible by the number of its divisors (128).

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, 17029387 + ... + 22227466.

It is an arithmetic number, because the mean of its divisors is an integer number (1982078558460).

Almost surely, 2^{102030131221120} is an apocalyptic number.

102030131221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030131221120 is an abundant number, since it is smaller than the sum of its proper divisors (151675924261760).

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

102030131221120 is a wasteful number, since it uses less digits than its factorization.

102030131221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39257034 (or 39257022 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102030131221120 its reverse (21122131030201), we get a palindrome (123152262251321).

The spelling of 102030131221120 in words is "one hundred two trillion, thirty billion, one hundred thirty-one million, two hundred twenty-one thousand, one hundred twenty".