13221113103 has 24 divisors (see below), whose sum is σ = 20925081216. Its totient is φ = 7977483600.

The previous prime is 13221113071. The next prime is 13221113107. The reversal of 13221113103 is 30131112231.

It is not a de Polignac number, because 13221113103 - 2⁵ = 13221113071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221113107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271683 + ... + 316628.

It is an arithmetic number, because the mean of its divisors is an integer number (871878384).

Almost surely, 2^13221113103 is an apocalyptic number.

13221113103 is a deficient number, since it is larger than the sum of its proper divisors (7703968113).

13221113103 is a wasteful number, since it uses less digits than its factorization.

13221113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588555 (or 588552 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13221113103 its reverse (30131112231), we get a palindrome (43352225334).

The spelling of 13221113103 in words is "thirteen billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred three".