2121310311032 has 64 divisors (see below), whose sum is σ = 4479678397440. Its totient is φ = 932989075200.

The previous prime is 2121310311013. The next prime is 2121310311059. The reversal of 2121310311032 is 2301130131212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121310310995 and 2121310311013.

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, 19524683 + ... + 19633029.

It is an arithmetic number, because the mean of its divisors is an integer number (69994974960).

Almost surely, 2^{2121310311032} is an apocalyptic number.

2121310311032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2121310311032 is an abundant number, since it is smaller than the sum of its proper divisors (2358368086408).

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

2121310311032 is a wasteful number, since it uses less digits than its factorization.

2121310311032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115572 (or 115568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2121310311032 its reverse (2301130131212), we get a palindrome (4422440442244).

It can be divided in two parts, 2121310 and 311032, that added together give a palindrome (2432342).

The spelling of 2121310311032 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, three hundred eleven thousand, thirty-two".