120021001001039 has 2 divisors, whose sum is σ = 120021001001040. Its totient is φ = 120021001001038.

The previous prime is 120021001000993. The next prime is 120021001001113. The reversal of 120021001001039 is 930100100120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120021001001039 - 2²⁸ = 120020732565583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120021001001039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021001001639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010500500519 + 60010500500520.

It is an arithmetic number, because the mean of its divisors is an integer number (60010500500520).

Almost surely, 2^{120021001001039} is an apocalyptic number.

120021001001039 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021001001039 is an equidigital number, since it uses as much as digits as its factorization.

120021001001039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 120021001001039 in words is "one hundred twenty trillion, twenty-one billion, one million, one thousand, thirty-nine".