13111102203 has 4 divisors (see below), whose sum is σ = 17481469608. Its totient is φ = 8740734800.

The previous prime is 13111102163. The next prime is 13111102241. The reversal of 13111102203 is 30220111131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13111102203 - 2⁹ = 13111101691 is a prime.

It is a super-2 number, since 2×13111102203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13111102903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185183698 + ... + 2185183703.

It is an arithmetic number, because the mean of its divisors is an integer number (4370367402).

Almost surely, 2^13111102203 is an apocalyptic number.

13111102203 is a deficient number, since it is larger than the sum of its proper divisors (4370367405).

13111102203 is an equidigital number, since it uses as much as digits as its factorization.

13111102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370367404.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13111102203 its reverse (30220111131), we get a palindrome (43331213334).

The spelling of 13111102203 in words is "thirteen billion, one hundred eleven million, one hundred two thousand, two hundred three".