2121332322000 has 160 divisors (see below), whose sum is σ = 7024018719744. Its totient is φ = 550399680000.

The previous prime is 2121332321987. The next prime is 2121332322007. The reversal of 2121332322000 is 2232331212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121332322007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4555776 + ... + 4999775.

Almost surely, 2^{2121332322000} is an apocalyptic number.

2121332322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121332322000 is an abundant number, since it is smaller than the sum of its proper divisors (4902686397744).

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

2121332322000 is a wasteful number, since it uses less digits than its factorization.

2121332322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555614 (or 9555598 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2121332322000 its reverse (2232331212), we get a palindrome (2123564653212).

The spelling of 2121332322000 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-two million, three hundred twenty-two thousand".