2021422142071 has 2 divisors, whose sum is σ = 2021422142072. Its totient is φ = 2021422142070.

The previous prime is 2021422142057. The next prime is 2021422142279. The reversal of 2021422142071 is 1702412241202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021422142071 - 2³⁷ = 1883983188599 is a prime.

It is a super-2 number, since 2×2021422142071² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021422242071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010711071035 + 1010711071036.

It is an arithmetic number, because the mean of its divisors is an integer number (1010711071036).

Almost surely, 2^{2021422142071} is an apocalyptic number.

2021422142071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021422142071 is an equidigital number, since it uses as much as digits as its factorization.

2021422142071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 2021422142071 its reverse (1702412241202), we get a palindrome (3723834383273).

The spelling of 2021422142071 in words is "two trillion, twenty-one billion, four hundred twenty-two million, one hundred forty-two thousand, seventy-one".