2021120211122 has 16 divisors (see below), whose sum is σ = 3059569485720. Its totient is φ = 1001264174208.

The previous prime is 2021120211073. The next prime is 2021120211157. The reversal of 2021120211122 is 2211120211202.

It can be written as a sum of positive squares in 4 ways, for example, as 2011345131961 + 9775079161 = 1418219^2 + 98869^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021120211122.

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, 11360438 + ... + 11536974.

Almost surely, 2^{2021120211122} is an apocalyptic number.

2021120211122 is a deficient number, since it is larger than the sum of its proper divisors (1038449274598).

2021120211122 is a wasteful number, since it uses less digits than its factorization.

2021120211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229165.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021120211122 its reverse (2211120211202), we get a palindrome (4232240422324).

The spelling of 2021120211122 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".