13221003202303 has 16 divisors (see below), whose sum is σ = 14298516610560. Its totient is φ = 12152244091104.

The previous prime is 13221003202279. The next prime is 13221003202327. The reversal of 13221003202303 is 30320230012231.

It is an interprime number because it is at equal distance from previous prime (13221003202279) and next prime (13221003202327).

It is a de Polignac number, because none of the positive numbers 2^k-13221003202303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221003202343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614758 + ... + 5178796.

It is an arithmetic number, because the mean of its divisors is an integer number (893657288160).

Almost surely, 2^{13221003202303} is an apocalyptic number.

13221003202303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13221003202303 is a deficient number, since it is larger than the sum of its proper divisors (1077513408257).

13221003202303 is a wasteful number, since it uses less digits than its factorization.

13221003202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564998.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13221003202303 its reverse (30320230012231), we get a palindrome (43541233214534).

The spelling of 13221003202303 in words is "thirteen trillion, two hundred twenty-one billion, three million, two hundred two thousand, three hundred three".