2122021020019 has 2 divisors, whose sum is σ = 2122021020020. Its totient is φ = 2122021020018.

The previous prime is 2122021019969. The next prime is 2122021020029. The reversal of 2122021020019 is 9100201202212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122021020019 - 2³⁹ = 1572265206131 is a prime.

It is a super-2 number, since 2×2122021020019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122021020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010510009 + 1061010510010.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010510010).

Almost surely, 2^{2122021020019} is an apocalyptic number.

2122021020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122021020019 is an equidigital number, since it uses as much as digits as its factorization.

2122021020019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2122021020019 in words is "two trillion, one hundred twenty-two billion, twenty-one million, twenty thousand, nineteen".