13221020303 has 2 divisors, whose sum is σ = 13221020304. Its totient is φ = 13221020302.

The previous prime is 13221020243. The next prime is 13221020311. The reversal of 13221020303 is 30302012231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13221020303 - 2²⁰ = 13219971727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13221020353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610510151 + 6610510152.

It is an arithmetic number, because the mean of its divisors is an integer number (6610510152).

Almost surely, 2^13221020303 is an apocalyptic number.

13221020303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221020303 is an equidigital number, since it uses as much as digits as its factorization.

13221020303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13221020303 its reverse (30302012231), we get a palindrome (43523032534).

The spelling of 13221020303 in words is "thirteen billion, two hundred twenty-one million, twenty thousand, three hundred three".