13221003202203 has 16 divisors (see below), whose sum is σ = 17741487214080. Its totient is φ = 8757268274976.

The previous prime is 13221003202157. The next prime is 13221003202279. The reversal of 13221003202203 is 30220230012231.

It is a happy number.

It is not a de Polignac number, because 13221003202203 - 2¹⁶ = 13221003136667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13221003202203.

It is not an unprimeable number, because it can be changed into a prime (13221003202003) 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, 6058318 + ... + 7946396.

It is an arithmetic number, because the mean of its divisors is an integer number (1108842950880).

Almost surely, 2^{13221003202203} is an apocalyptic number.

13221003202203 is a deficient number, since it is larger than the sum of its proper divisors (4520484011877).

13221003202203 is a wasteful number, since it uses less digits than its factorization.

13221003202203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903106.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13221003202203 its reverse (30220230012231), we get a palindrome (43441233214434).

The spelling of 13221003202203 in words is "thirteen trillion, two hundred twenty-one billion, three million, two hundred two thousand, two hundred three".