13011211103 has 16 divisors (see below), whose sum is σ = 15121230336. Its totient is φ = 11064263040.

The previous prime is 13011211099. The next prime is 13011211117. The reversal of 13011211103 is 30111211031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13011211103 - 2² = 13011211099 is a prime.

It is a super-2 number, since 2×13011211103² (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 (13011211193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182951 + ... + 243912.

It is an arithmetic number, because the mean of its divisors is an integer number (945076896).

Almost surely, 2^13011211103 is an apocalyptic number.

13011211103 is a deficient number, since it is larger than the sum of its proper divisors (2110019233).

13011211103 is a wasteful number, since it uses less digits than its factorization.

13011211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427054.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13011211103 its reverse (30111211031), we get a palindrome (43122422134).

The spelling of 13011211103 in words is "thirteen billion, eleven million, two hundred eleven thousand, one hundred three".