2021112212110 has 16 divisors (see below), whose sum is σ = 3638019942576. Its totient is φ = 808440893568.

The previous prime is 2021112212081. The next prime is 2021112212113. The reversal of 2021112212110 is 112122111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112212113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468149 + ... + 3183391.

It is an arithmetic number, because the mean of its divisors is an integer number (227376246411).

Almost surely, 2^{2021112212110} is an apocalyptic number.

2021112212110 is a deficient number, since it is larger than the sum of its proper divisors (1616907730466).

2021112212110 is a wasteful number, since it uses less digits than its factorization.

2021112212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997827.

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

Adding to 2021112212110 its reverse (112122111202), we get a palindrome (2133234323312).

The spelling of 2021112212110 in words is "two trillion, twenty-one billion, one hundred twelve million, two hundred twelve thousand, one hundred ten".