2020992795121 has 2 divisors, whose sum is σ = 2020992795122. Its totient is φ = 2020992795120.

The previous prime is 2020992795079. The next prime is 2020992795167. The reversal of 2020992795121 is 1215972990202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1677232206400 + 343760588721 = 1295080^2 + 586311^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020992795121 - 2²³ = 2020984406513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020992792121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010496397560 + 1010496397561.

It is an arithmetic number, because the mean of its divisors is an integer number (1010496397561).

Almost surely, 2^{2020992795121} is an apocalyptic number.

It is an amenable number.

2020992795121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020992795121 is an equidigital number, since it uses as much as digits as its factorization.

2020992795121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 2020992795121 in words is "two trillion, twenty billion, nine hundred ninety-two million, seven hundred ninety-five thousand, one hundred twenty-one".