104202432221 has 4 divisors (see below), whose sum is σ = 105968575200. Its totient is φ = 102436289244.

The previous prime is 104202432209. The next prime is 104202432223. The reversal of 104202432221 is 122234202401.

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 a cyclic number.

It is not a de Polignac number, because 104202432221 - 2⁶ = 104202432157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104202432223) 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, 883071401 + ... + 883071518.

It is an arithmetic number, because the mean of its divisors is an integer number (26492143800).

Almost surely, 2^104202432221 is an apocalyptic number.

It is an amenable number.

104202432221 is a deficient number, since it is larger than the sum of its proper divisors (1766142979).

104202432221 is an equidigital number, since it uses as much as digits as its factorization.

104202432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766142978.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 104202432221 its reverse (122234202401), we get a palindrome (226436634622).

The spelling of 104202432221 in words is "one hundred four billion, two hundred two million, four hundred thirty-two thousand, two hundred twenty-one".