130404013221 has 4 divisors (see below), whose sum is σ = 173872017632. Its totient is φ = 86936008812.

The previous prime is 130404013217. The next prime is 130404013279. The reversal of 130404013221 is 122310404031.

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 not a de Polignac number, because 130404013221 - 2² = 130404013217 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 (130404013121) 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, 21734002201 + ... + 21734002206.

It is an arithmetic number, because the mean of its divisors is an integer number (43468004408).

Almost surely, 2^130404013221 is an apocalyptic number.

It is an amenable number.

130404013221 is a deficient number, since it is larger than the sum of its proper divisors (43468004411).

130404013221 is an equidigital number, since it uses as much as digits as its factorization.

130404013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43468004410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 130404013221 its reverse (122310404031), we get a palindrome (252714417252).

The spelling of 130404013221 in words is "one hundred thirty billion, four hundred four million, thirteen thousand, two hundred twenty-one".