2121320332122 has 16 divisors (see below), whose sum is σ = 4244858481600. Its totient is φ = 706737141152.

The previous prime is 2121320331983. The next prime is 2121320332163. The reversal of 2121320332122 is 2212330231212.

It is a junction number, because it is equal to n+sod(n) for n = 2121320332092 and 2121320332101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92396622 + ... + 92419577.

It is an arithmetic number, because the mean of its divisors is an integer number (265303655100).

Almost surely, 2^{2121320332122} is an apocalyptic number.

2121320332122 is an abundant number, since it is smaller than the sum of its proper divisors (2123538149478).

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

2121320332122 is a wasteful number, since it uses less digits than its factorization.

2121320332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184818117.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2121320332122 its reverse (2212330231212), we get a palindrome (4333650563334).

The spelling of 2121320332122 in words is "two trillion, one hundred twenty-one billion, three hundred twenty million, three hundred thirty-two thousand, one hundred twenty-two".