2021112211012 has 24 divisors (see below), whose sum is σ = 3611568546936. Its totient is φ = 989437575168.

The previous prime is 2021112211009. The next prime is 2021112211093. The reversal of 2021112211012 is 2101122111202.

It can be written as a sum of positive squares in 4 ways, for example, as 865022764356 + 1156089446656 = 930066^2 + 1075216^2 .

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, 25221373 + ... + 25301380.

It is an arithmetic number, because the mean of its divisors is an integer number (150482022789).

Almost surely, 2^{2021112211012} is an apocalyptic number.

It is an amenable number.

2021112211012 is a deficient number, since it is larger than the sum of its proper divisors (1590456335924).

2021112211012 is a wasteful number, since it uses less digits than its factorization.

2021112211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50522967 (or 50522965 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2021112211012 its reverse (2101122111202), we get a palindrome (4122234322214).

The spelling of 2021112211012 in words is "two trillion, twenty-one billion, one hundred twelve million, two hundred eleven thousand, twelve".