2022320213021 has 4 divisors (see below), whose sum is σ = 2022330512892. Its totient is φ = 2022309913152.

The previous prime is 2022320212999. The next prime is 2022320213057. The reversal of 2022320213021 is 1203120232202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1329120765625 + 693199447396 = 1152875^2 + 832586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022320213021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022320212984 and 2022320213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022320213071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849580 + ... + 5250053.

It is an arithmetic number, because the mean of its divisors is an integer number (505582628223).

Almost surely, 2^{2022320213021} is an apocalyptic number.

It is an amenable number.

2022320213021 is a deficient number, since it is larger than the sum of its proper divisors (10299871).

2022320213021 is a wasteful number, since it uses less digits than its factorization.

2022320213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10299870.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2022320213021 its reverse (1203120232202), we get a palindrome (3225440445223).

The spelling of 2022320213021 in words is "two trillion, twenty-two billion, three hundred twenty million, two hundred thirteen thousand, twenty-one".