2021202022051 has 2 divisors, whose sum is σ = 2021202022052. Its totient is φ = 2021202022050.

The previous prime is 2021202022019. The next prime is 2021202022061. The reversal of 2021202022051 is 1502202021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021202022051 - 2⁵ = 2021202022019 is a prime.

It is a super-2 number, since 2×2021202022051² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021202022061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010601011025 + 1010601011026.

It is an arithmetic number, because the mean of its divisors is an integer number (1010601011026).

Almost surely, 2^{2021202022051} is an apocalyptic number.

2021202022051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021202022051 is an equidigital number, since it uses as much as digits as its factorization.

2021202022051 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 19.

Adding to 2021202022051 its reverse (1502202021202), we get a palindrome (3523404043253).

The spelling of 2021202022051 in words is "two trillion, twenty-one billion, two hundred two million, twenty-two thousand, fifty-one".