104320044021 has 4 divisors (see below), whose sum is σ = 139093392032. Its totient is φ = 69546696012.

The previous prime is 104320044019. The next prime is 104320044053. The reversal of 104320044021 is 120440023401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 104320044021 - 2¹ = 104320044019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104320044721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17386674001 + ... + 17386674006.

It is an arithmetic number, because the mean of its divisors is an integer number (34773348008).

Almost surely, 2^104320044021 is an apocalyptic number.

It is an amenable number.

104320044021 is a deficient number, since it is larger than the sum of its proper divisors (34773348011).

104320044021 is an equidigital number, since it uses as much as digits as its factorization.

104320044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34773348010.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 104320044021 its reverse (120440023401), we get a palindrome (224760067422).

The spelling of 104320044021 in words is "one hundred four billion, three hundred twenty million, forty-four thousand, twenty-one".