2021112022 has 32 divisors (see below), whose sum is σ = 3243525120. Its totient is φ = 942443040.

The previous prime is 2021111999. The next prime is 2021112047. The reversal of 2021112022 is 2202111202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021111993 and 2021112011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702113 + ... + 1703299.

It is an arithmetic number, because the mean of its divisors is an integer number (101360160).

Almost surely, 2^2021112022 is an apocalyptic number.

2021112022 is a deficient number, since it is larger than the sum of its proper divisors (1222413098).

2021112022 is a wasteful number, since it uses less digits than its factorization.

2021112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2021112022 is about 44956.7794887490. The cubic root of 2021112022 is about 1264.3387884229.

Adding to 2021112022 its reverse (2202111202), we get a palindrome (4223223224).

It can be divided in two parts, 202111202 and 2, that multiplied together give a palindrome (404222404).

The spelling of 2021112022 in words is "two billion, twenty-one million, one hundred twelve thousand, twenty-two".