13121321110 has 8 divisors (see below), whose sum is σ = 23618378016. Its totient is φ = 5248528440.

The previous prime is 13121321039. The next prime is 13121321111. The reversal of 13121321110 is 1112312131.

It is a happy number.

13121321110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121321111) 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, 656066046 + ... + 656066065.

It is an arithmetic number, because the mean of its divisors is an integer number (2952297252).

Almost surely, 2^13121321110 is an apocalyptic number.

13121321110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121321110 is a deficient number, since it is larger than the sum of its proper divisors (10497056906).

13121321110 is a wasteful number, since it uses less digits than its factorization.

13121321110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312132118.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13121321110 its reverse (1112312131), we get a palindrome (14233633241).

The spelling of 13121321110 in words is "thirteen billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred ten".