120021002100589 has 2 divisors, whose sum is σ = 120021002100590. Its totient is φ = 120021002100588.

The previous prime is 120021002100577. The next prime is 120021002100617. The reversal of 120021002100589 is 985001200120021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112649141776900 + 7371860323689 = 10613630^2 + 2715117^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021002100589 - 2⁵ = 120021002100557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120021002100589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021002100509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010501050294 + 60010501050295.

It is an arithmetic number, because the mean of its divisors is an integer number (60010501050295).

Almost surely, 2^{120021002100589} is an apocalyptic number.

It is an amenable number.

120021002100589 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021002100589 is an equidigital number, since it uses as much as digits as its factorization.

120021002100589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 120021002100589 in words is "one hundred twenty trillion, twenty-one billion, two million, one hundred thousand, five hundred eighty-nine".