104430244021 has 2 divisors, whose sum is σ = 104430244022. Its totient is φ = 104430244020.

The previous prime is 104430243991. The next prime is 104430244057. The reversal of 104430244021 is 120442034401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101067403921 + 3362840100 = 317911^2 + 57990^2 .

It is a cyclic number.

It is not a de Polignac number, because 104430244021 - 2²⁹ = 103893373109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104430244091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52215122010 + 52215122011.

It is an arithmetic number, because the mean of its divisors is an integer number (52215122011).

Almost surely, 2^104430244021 is an apocalyptic number.

It is an amenable number.

104430244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

104430244021 is an equidigital number, since it uses as much as digits as its factorization.

104430244021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 104430244021 its reverse (120442034401), we get a palindrome (224872278422).

The spelling of 104430244021 in words is "one hundred four billion, four hundred thirty million, two hundred forty-four thousand, twenty-one".