2122020021967 has 2 divisors, whose sum is σ = 2122020021968. Its totient is φ = 2122020021966.

The previous prime is 2122020021959. The next prime is 2122020022021. The reversal of 2122020021967 is 7691200202212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122020021967 - 2³ = 2122020021959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122020021067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010010983 + 1061010010984.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010010984).

Almost surely, 2^{2122020021967} is an apocalyptic number.

2122020021967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122020021967 is an equidigital number, since it uses as much as digits as its factorization.

2122020021967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 2122020021967 in words is "two trillion, one hundred twenty-two billion, twenty million, twenty-one thousand, nine hundred sixty-seven".