2121332020330 has 32 divisors (see below), whose sum is σ = 4083039090000. Its totient is φ = 790711987200.

The previous prime is 2121332020307. The next prime is 2121332020361. The reversal of 2121332020330 is 330202331212.

It can be written as a sum of positive squares in 8 ways, for example, as 1434238574409 + 687093445921 = 1197597^2 + 828911^2 .

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, 61757205 + ... + 61791544.

Almost surely, 2^{2121332020330} is an apocalyptic number.

2121332020330 is a deficient number, since it is larger than the sum of its proper divisors (1961707069670).

2121332020330 is a wasteful number, since it uses less digits than its factorization.

2121332020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123548874.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2121332020330 its reverse (330202331212), we get a palindrome (2451534351542).

The spelling of 2121332020330 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-two million, twenty thousand, three hundred thirty".