2002122020051 has 2 divisors, whose sum is σ = 2002122020052. Its totient is φ = 2002122020050.

The previous prime is 2002122020047. The next prime is 2002122020089. The reversal of 2002122020051 is 1500202212002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002122020051 - 2² = 2002122020047 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002122020251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001061010025 + 1001061010026.

It is an arithmetic number, because the mean of its divisors is an integer number (1001061010026).

Almost surely, 2^{2002122020051} is an apocalyptic number.

2002122020051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002122020051 is an equidigital number, since it uses as much as digits as its factorization.

2002122020051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 2002122020051 its reverse (1500202212002), we get a palindrome (3502324232053).

The spelling of 2002122020051 in words is "two trillion, two billion, one hundred twenty-two million, twenty thousand, fifty-one".