104023215221 has 4 divisors (see below), whose sum is σ = 104398750572. Its totient is φ = 103647679872.

The previous prime is 104023215217. The next prime is 104023215227. The reversal of 104023215221 is 122512320401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64097580625 + 39925634596 = 253175^2 + 199814^2 .

It is a cyclic number.

It is not a de Polignac number, because 104023215221 - 2² = 104023215217 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 (104023215227) 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, 187767260 + ... + 187767813.

It is an arithmetic number, because the mean of its divisors is an integer number (26099687643).

Almost surely, 2^104023215221 is an apocalyptic number.

It is an amenable number.

104023215221 is a deficient number, since it is larger than the sum of its proper divisors (375535351).

104023215221 is an equidigital number, since it uses as much as digits as its factorization.

104023215221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375535350.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 104023215221 its reverse (122512320401), we get a palindrome (226535535622).

The spelling of 104023215221 in words is "one hundred four billion, twenty-three million, two hundred fifteen thousand, two hundred twenty-one".