2021022020022 has 16 divisors (see below), whose sum is σ = 4042160068800. Its totient is φ = 673654668552.

The previous prime is 2021022020011. The next prime is 2021022020027. The reversal of 2021022020022 is 2200202201202.

It is a junction number, because it is equal to n+sod(n) for n = 2021022019983 and 2021022020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021022020027) 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, 4607272 + ... + 5026827.

It is an arithmetic number, because the mean of its divisors is an integer number (252635004300).

Almost surely, 2^{2021022020022} is an apocalyptic number.

2021022020022 is an abundant number, since it is smaller than the sum of its proper divisors (2021138048778).

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

2021022020022 is a wasteful number, since it uses less digits than its factorization.

2021022020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669067.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2021022020022 its reverse (2200202201202), we get a palindrome (4221224221224).

The spelling of 2021022020022 in words is "two trillion, twenty-one billion, twenty-two million, twenty thousand, twenty-two".