104430143221 has 8 divisors (see below), whose sum is σ = 106256424600. Its totient is φ = 102607549440.

The previous prime is 104430143201. The next prime is 104430143239. The reversal of 104430143221 is 122341034401.

It can be written as a sum of positive squares in 4 ways, for example, as 13558040721 + 90872102500 = 116439^2 + 301450^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104430143221 - 2¹⁷ = 104430012149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104430143201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864736 + ... + 978073.

It is an arithmetic number, because the mean of its divisors is an integer number (13282053075).

Almost surely, 2^104430143221 is an apocalyptic number.

It is an amenable number.

104430143221 is a deficient number, since it is larger than the sum of its proper divisors (1826281379).

104430143221 is an equidigital number, since it uses as much as digits as its factorization.

104430143221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843799.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 104430143221 its reverse (122341034401), we get a palindrome (226771177622).

The spelling of 104430143221 in words is "one hundred four billion, four hundred thirty million, one hundred forty-three thousand, two hundred twenty-one".