13130004222221 has 4 divisors (see below), whose sum is σ = 13133314033152. Its totient is φ = 13126694411292.

The previous prime is 13130004222161. The next prime is 13130004222233. The reversal of 13130004222221 is 12222240003131.

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 13130004222221 - 2¹⁴ = 13130004205837 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 (13130004222421) 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, 1654899515 + ... + 1654907448.

It is an arithmetic number, because the mean of its divisors is an integer number (3283328508288).

Almost surely, 2^{13130004222221} is an apocalyptic number.

It is an amenable number.

13130004222221 is a deficient number, since it is larger than the sum of its proper divisors (3309810931).

13130004222221 is an equidigital number, since it uses as much as digits as its factorization.

13130004222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309810930.

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

Adding to 13130004222221 its reverse (12222240003131), we get a palindrome (25352244225352).

The spelling of 13130004222221 in words is "thirteen trillion, one hundred thirty billion, four million, two hundred twenty-two thousand, two hundred twenty-one".