10104442021 has 2 divisors, whose sum is σ = 10104442022. Its totient is φ = 10104442020.

The previous prime is 10104442001. The next prime is 10104442039. The reversal of 10104442021 is 12024440101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6318501121 + 3785940900 = 79489^2 + 61530^2 .

It is a cyclic number.

It is not a de Polignac number, because 10104442021 - 2¹¹ = 10104439973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10104442021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10104442001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052221010 + 5052221011.

It is an arithmetic number, because the mean of its divisors is an integer number (5052221011).

Almost surely, 2^10104442021 is an apocalyptic number.

It is an amenable number.

10104442021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10104442021 is an equidigital number, since it uses as much as digits as its factorization.

10104442021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10104442021 its reverse (12024440101), we get a palindrome (22128882122).

The spelling of 10104442021 in words is "ten billion, one hundred four million, four hundred forty-two thousand, twenty-one".