2131333121010 has 48 divisors (see below), whose sum is σ = 5433793252416. Its totient is φ = 534922820352.

The previous prime is 2131333121009. The next prime is 2131333121023. The reversal of 2131333121010 is 101213331312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122905582 + ... + 122922921.

It is an arithmetic number, because the mean of its divisors is an integer number (113204026092).

Almost surely, 2^{2131333121010} is an apocalyptic number.

2131333121010 is an abundant number, since it is smaller than the sum of its proper divisors (3302460131406).

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

2131333121010 is a wasteful number, since it uses less digits than its factorization.

2131333121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245828547 (or 245828530 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131333121010 its reverse (101213331312), we get a palindrome (2232546452322).

The spelling of 2131333121010 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-three million, one hundred twenty-one thousand, ten".