104243031221 has 8 divisors (see below), whose sum is σ = 126142827840. Its totient is φ = 84095218368.

The previous prime is 104243031133. The next prime is 104243031283. The reversal of 104243031221 is 122130342401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104243031221 - 2¹⁸ = 104242769077 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 (104243231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437995811 + ... + 437996048.

It is an arithmetic number, because the mean of its divisors is an integer number (15767853480).

Almost surely, 2^104243031221 is an apocalyptic number.

It is an amenable number.

104243031221 is a deficient number, since it is larger than the sum of its proper divisors (21899796619).

104243031221 is an equidigital number, since it uses as much as digits as its factorization.

104243031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875991883.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 104243031221 its reverse (122130342401), we get a palindrome (226373373622).

The spelling of 104243031221 in words is "one hundred four billion, two hundred forty-three million, thirty-one thousand, two hundred twenty-one".