2022120210521 has 2 divisors, whose sum is σ = 2022120210522. Its totient is φ = 2022120210520.

The previous prime is 2022120210499. The next prime is 2022120210527. The reversal of 2022120210521 is 1250120212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842564622921 + 179555587600 = 1357411^2 + 423740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022120210521 - 2¹⁰ = 2022120209497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022120210493 and 2022120210502.

It is not a weakly prime, because it can be changed into another prime (2022120210527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011060105260 + 1011060105261.

It is an arithmetic number, because the mean of its divisors is an integer number (1011060105261).

Almost surely, 2^{2022120210521} is an apocalyptic number.

It is an amenable number.

2022120210521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022120210521 is an equidigital number, since it uses as much as digits as its factorization.

2022120210521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 2022120210521 its reverse (1250120212202), we get a palindrome (3272240422723).

The spelling of 2022120210521 in words is "two trillion, twenty-two billion, one hundred twenty million, two hundred ten thousand, five hundred twenty-one".