13044002221 has 2 divisors, whose sum is σ = 13044002222. Its totient is φ = 13044002220.

The previous prime is 13044002203. The next prime is 13044002239. The reversal of 13044002221 is 12220044031.

It is a balanced prime because it is at equal distance from previous prime (13044002203) and next prime (13044002239).

It can be written as a sum of positive squares in only one way, i.e., 12992808196 + 51194025 = 113986^2 + 7155^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044002221 - 2⁷ = 13044002093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044002281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522001110 + 6522001111.

It is an arithmetic number, because the mean of its divisors is an integer number (6522001111).

Almost surely, 2^13044002221 is an apocalyptic number.

It is an amenable number.

13044002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044002221 is an equidigital number, since it uses as much as digits as its factorization.

13044002221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13044002221 its reverse (12220044031), we get a palindrome (25264046252).

The spelling of 13044002221 in words is "thirteen billion, forty-four million, two thousand, two hundred twenty-one".