2021021112110 has 256 divisors, whose sum is σ = 5176477974528. Its totient is φ = 546761318400.

The previous prime is 2021021112079. The next prime is 2021021112163. The reversal of 2021021112110 is 112111201202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 206411315 + ... + 206421105.

It is an arithmetic number, because the mean of its divisors is an integer number (20220617088).

Almost surely, 2^{2021021112110} is an apocalyptic number.

2021021112110 is an abundant number, since it is smaller than the sum of its proper divisors (3155456862418).

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

2021021112110 is a wasteful number, since it uses less digits than its factorization.

2021021112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021021112110 its reverse (112111201202), we get a palindrome (2133132313312).

The spelling of 2021021112110 in words is "two trillion, twenty-one billion, twenty-one million, one hundred twelve thousand, one hundred ten".