210021021101039 has 2 divisors, whose sum is σ = 210021021101040. Its totient is φ = 210021021101038.

The previous prime is 210021021100987. The next prime is 210021021101063. The reversal of 210021021101039 is 930101120120012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210021021101039 - 2²⁸ = 210020752665583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210021021101839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010510550519 + 105010510550520.

It is an arithmetic number, because the mean of its divisors is an integer number (105010510550520).

Almost surely, 2^{210021021101039} is an apocalyptic number.

210021021101039 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021021101039 is an equidigital number, since it uses as much as digits as its factorization.

210021021101039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 210021021101039 in words is "two hundred ten trillion, twenty-one billion, twenty-one million, one hundred one thousand, thirty-nine".