2121312200322 has 32 divisors (see below), whose sum is σ = 4848765185664. Its totient is φ = 606082752000.

The previous prime is 2121312200261. The next prime is 2121312200333. The reversal of 2121312200322 is 2230022131212.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 4892572 + ... + 5308472.

It is an arithmetic number, because the mean of its divisors is an integer number (151523912052).

Almost surely, 2^{2121312200322} is an apocalyptic number.

2121312200322 is an abundant number, since it is smaller than the sum of its proper divisors (2727452985342).

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

2121312200322 is a wasteful number, since it uses less digits than its factorization.

2121312200322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537354.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2121312200322 its reverse (2230022131212), we get a palindrome (4351334331534).

The spelling of 2121312200322 in words is "two trillion, one hundred twenty-one billion, three hundred twelve million, two hundred thousand, three hundred twenty-two".