13011021103 has 4 divisors (see below), whose sum is σ = 13362670360. Its totient is φ = 12659371848.

The previous prime is 13011021097. The next prime is 13011021113. The reversal of 13011021103 is 30112011031.

13011021103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13011021103 is a prime.

It is a super-2 number, since 2×13011021103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175824573 + ... + 175824646.

It is an arithmetic number, because the mean of its divisors is an integer number (3340667590).

Almost surely, 2^13011021103 is an apocalyptic number.

13011021103 is a deficient number, since it is larger than the sum of its proper divisors (351649257).

13011021103 is an equidigital number, since it uses as much as digits as its factorization.

13011021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351649256.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13011021103 its reverse (30112011031), we get a palindrome (43123032134).

The spelling of 13011021103 in words is "thirteen billion, eleven million, twenty-one thousand, one hundred three".