2122020021959 has 2 divisors, whose sum is σ = 2122020021960. Its totient is φ = 2122020021958.

The previous prime is 2122020021949. The next prime is 2122020021967. The reversal of 2122020021959 is 9591200202212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122020021959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122020021949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010010979 + 1061010010980.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010010980).

Almost surely, 2^{2122020021959} is an apocalyptic number.

2122020021959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122020021959 is an equidigital number, since it uses as much as digits as its factorization.

2122020021959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 2122020021959 in words is "two trillion, one hundred twenty-two billion, twenty million, twenty-one thousand, nine hundred fifty-nine".