104521110321 has 16 divisors (see below), whose sum is σ = 140685638720. Its totient is φ = 69019076160.

The previous prime is 104521110307. The next prime is 104521110383. The reversal of 104521110321 is 123011125401.

It is not a de Polignac number, because 104521110321 - 2¹¹ = 104521108273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104521110721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989946 + ... + 1090428.

It is an arithmetic number, because the mean of its divisors is an integer number (8792852420).

Almost surely, 2^104521110321 is an apocalyptic number.

It is an amenable number.

104521110321 is a deficient number, since it is larger than the sum of its proper divisors (36164528399).

104521110321 is a wasteful number, since it uses less digits than its factorization.

104521110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103776.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 104521110321 its reverse (123011125401), we get a palindrome (227532235722).

The spelling of 104521110321 in words is "one hundred four billion, five hundred twenty-one million, one hundred ten thousand, three hundred twenty-one".