13221110203 has 16 divisors (see below), whose sum is σ = 15183945216. Its totient is φ = 11276899200.

The previous prime is 13221110191. The next prime is 13221110207. The reversal of 13221110203 is 30201112231.

It is a de Polignac number, because none of the positive numbers 2^k-13221110203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221110207) 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, 1931475 + ... + 1938307.

It is an arithmetic number, because the mean of its divisors is an integer number (948996576).

Almost surely, 2^13221110203 is an apocalyptic number.

13221110203 is a deficient number, since it is larger than the sum of its proper divisors (1962835013).

13221110203 is a wasteful number, since it uses less digits than its factorization.

13221110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13221110203 its reverse (30201112231), we get a palindrome (43422222434).

The spelling of 13221110203 in words is "thirteen billion, two hundred twenty-one million, one hundred ten thousand, two hundred three".