2121331230120 has 32 divisors (see below), whose sum is σ = 6363993690720. Its totient is φ = 565688328000.

The previous prime is 2121331230089. The next prime is 2121331230133. The reversal of 2121331230120 is 210321331212.

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, 8838880006 + ... + 8838880245.

It is an arithmetic number, because the mean of its divisors is an integer number (198874802835).

Almost surely, 2^{2121331230120} is an apocalyptic number.

2121331230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121331230120 is an abundant number, since it is smaller than the sum of its proper divisors (4242662460600).

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

2121331230120 is a wasteful number, since it uses less digits than its factorization.

2121331230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17677760265 (or 17677760261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121331230120 its reverse (210321331212), we get a palindrome (2331652561332).

The spelling of 2121331230120 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-one million, two hundred thirty thousand, one hundred twenty".