104221300321 has 2 divisors, whose sum is σ = 104221300322. Its totient is φ = 104221300320.

The previous prime is 104221300319. The next prime is 104221300349. The reversal of 104221300321 is 123003122401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71064896400 + 33156403921 = 266580^2 + 182089^2 .

It is a cyclic number.

It is not a de Polignac number, because 104221300321 - 2¹ = 104221300319 is a prime.

Together with 104221300319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (104221300301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110650160 + 52110650161.

It is an arithmetic number, because the mean of its divisors is an integer number (52110650161).

Almost surely, 2^104221300321 is an apocalyptic number.

It is an amenable number.

104221300321 is a deficient number, since it is larger than the sum of its proper divisors (1).

104221300321 is an equidigital number, since it uses as much as digits as its factorization.

104221300321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 104221300321 its reverse (123003122401), we get a palindrome (227224422722).

The spelling of 104221300321 in words is "one hundred four billion, two hundred twenty-one million, three hundred thousand, three hundred twenty-one".