2021112110122 has 16 divisors (see below), whose sum is σ = 3474691315200. Its totient is φ = 863708979888.

The previous prime is 2021112110111. The next prime is 2021112110123. The reversal of 2021112110122 is 2210112111202.

It is a junction number, because it is equal to n+sod(n) for n = 2021112110096 and 2021112110105.

It is not an unprimeable number, because it can be changed into a prime (2021112110123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206821978 + ... + 206831749.

It is an arithmetic number, because the mean of its divisors is an integer number (217168207200).

Almost surely, 2^{2021112110122} is an apocalyptic number.

2021112110122 is a deficient number, since it is larger than the sum of its proper divisors (1453579205078).

2021112110122 is a wasteful number, since it uses less digits than its factorization.

2021112110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413654085.

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

Adding to 2021112110122 its reverse (2210112111202), we get a palindrome (4231224221324).

The spelling of 2021112110122 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-two".