13021123113 has 16 divisors (see below), whose sum is σ = 19477843840. Its totient is φ = 8596467792.

The previous prime is 13021123081. The next prime is 13021123117. The reversal of 13021123113 is 31132112031.

It is not a de Polignac number, because 13021123113 - 2⁵ = 13021123081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13021123117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2338306 + ... + 2343867.

It is an arithmetic number, because the mean of its divisors is an integer number (1217365240).

Almost surely, 2^13021123113 is an apocalyptic number.

It is an amenable number.

13021123113 is a deficient number, since it is larger than the sum of its proper divisors (6456720727).

13021123113 is a wasteful number, since it uses less digits than its factorization.

13021123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682285 (or 4682279 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13021123113 its reverse (31132112031), we get a palindrome (44153235144).

The spelling of 13021123113 in words is "thirteen billion, twenty-one million, one hundred twenty-three thousand, one hundred thirteen".