104442231021 has 4 divisors (see below), whose sum is σ = 139256308032. Its totient is φ = 69628154012.

The previous prime is 104442231011. The next prime is 104442231031. The reversal of 104442231021 is 120132244401.

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 an interprime number because it is at equal distance from previous prime (104442231011) and next prime (104442231031).

It is a cyclic number.

It is not a de Polignac number, because 104442231021 - 2¹⁵ = 104442198253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104442230982 and 104442231000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104442231011) 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, 17407038501 + ... + 17407038506.

It is an arithmetic number, because the mean of its divisors is an integer number (34814077008).

Almost surely, 2^104442231021 is an apocalyptic number.

It is an amenable number.

104442231021 is a deficient number, since it is larger than the sum of its proper divisors (34814077011).

104442231021 is an equidigital number, since it uses as much as digits as its factorization.

104442231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34814077010.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 104442231021 its reverse (120132244401), we get a palindrome (224574475422).

The spelling of 104442231021 in words is "one hundred four billion, four hundred forty-two million, two hundred thirty-one thousand, twenty-one".