10120221589 has 2 divisors, whose sum is σ = 10120221590. Its totient is φ = 10120221588.

The previous prime is 10120221583. The next prime is 10120221659. The reversal of 10120221589 is 98512202101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8568649489 + 1551572100 = 92567^2 + 39390^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120221589 - 2¹¹ = 10120219541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120221589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120221583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060110794 + 5060110795.

It is an arithmetic number, because the mean of its divisors is an integer number (5060110795).

Almost surely, 2^10120221589 is an apocalyptic number.

It is an amenable number.

10120221589 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120221589 is an equidigital number, since it uses as much as digits as its factorization.

10120221589 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10120221589 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, five hundred eighty-nine".