13111010123 has 4 divisors (see below), whose sum is σ = 13132399008. Its totient is φ = 13089621240.

The previous prime is 13111010083. The next prime is 13111010153. The reversal of 13111010123 is 32101011131.

It is a happy number.

13111010123 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 not a de Polignac number, because 13111010123 - 2¹⁰ = 13111009099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111010098 and 13111010107.

It is not an unprimeable number, because it can be changed into a prime (13111010153) 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, 10693523 + ... + 10694748.

It is an arithmetic number, because the mean of its divisors is an integer number (3283099752).

Almost surely, 2^13111010123 is an apocalyptic number.

13111010123 is a deficient number, since it is larger than the sum of its proper divisors (21388885).

13111010123 is an equidigital number, since it uses as much as digits as its factorization.

13111010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388884.

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

Adding to 13111010123 its reverse (32101011131), we get a palindrome (45212021254).

The spelling of 13111010123 in words is "thirteen billion, one hundred eleven million, ten thousand, one hundred twenty-three".