13311121123 has 8 divisors (see below), whose sum is σ = 13330854080. Its totient is φ = 13291404480.

The previous prime is 13311121111. The next prime is 13311121199. The reversal of 13311121123 is 32112111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13311121123 - 2²⁵ = 13277566691 is a prime.

It is a super-2 number, since 2×13311121123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13311121123.

It is not an unprimeable number, because it can be changed into a prime (13311121823) 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 7 ways as a sum of consecutive naturals, for example, 3121813 + ... + 3126073.

It is an arithmetic number, because the mean of its divisors is an integer number (1666356760).

Almost surely, 2^13311121123 is an apocalyptic number.

13311121123 is a deficient number, since it is larger than the sum of its proper divisors (19732957).

13311121123 is a wasteful number, since it uses less digits than its factorization.

13311121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157.

The product of its digits is 108, while the sum is 19.

Adding to 13311121123 its reverse (32112111331), we get a palindrome (45423232454).

The spelling of 13311121123 in words is "thirteen billion, three hundred eleven million, one hundred twenty-one thousand, one hundred twenty-three".