2021112011022 has 64 divisors (see below), whose sum is σ = 4400689353984. Its totient is φ = 615122277120.

The previous prime is 2021112011021. The next prime is 2021112011047. The reversal of 2021112011022 is 2201102111202.

It is a super-2 number, since 2×2021112011022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021112010992 and 2021112011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112011021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2814778 + ... + 3459074.

It is an arithmetic number, because the mean of its divisors is an integer number (68760771156).

Almost surely, 2^{2021112011022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021112011022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200344676992).

2021112011022 is an abundant number, since it is smaller than the sum of its proper divisors (2379577342962).

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

2021112011022 is a wasteful number, since it uses less digits than its factorization.

2021112011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644753.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021112011022 its reverse (2201102111202), we get a palindrome (4222214122224).

The spelling of 2021112011022 in words is "two trillion, twenty-one billion, one hundred twelve million, eleven thousand, twenty-two".