201221002127039 has 2 divisors, whose sum is σ = 201221002127040. Its totient is φ = 201221002127038.

The previous prime is 201221002126939. The next prime is 201221002127077. The reversal of 201221002127039 is 930721200122102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201221002127039 - 2⁸ = 201221002126783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201221002126996 and 201221002127014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201221002121039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610501063519 + 100610501063520.

It is an arithmetic number, because the mean of its divisors is an integer number (100610501063520).

Almost surely, 2^{201221002127039} is an apocalyptic number.

201221002127039 is a deficient number, since it is larger than the sum of its proper divisors (1).

201221002127039 is an equidigital number, since it uses as much as digits as its factorization.

201221002127039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 201221002127039 in words is "two hundred one trillion, two hundred twenty-one billion, two million, one hundred twenty-seven thousand, thirty-nine".