13120110021 has 8 divisors (see below), whose sum is σ = 17507695744. Its totient is φ = 8739632160.

The previous prime is 13120110001. The next prime is 13120110049. The reversal of 13120110021 is 12001102131.

13120110021 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 not a de Polignac number, because 13120110021 - 2²² = 13115915717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120109979 and 13120110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120110001) 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 7 ways as a sum of consecutive naturals, for example, 1772656 + ... + 1780041.

It is an arithmetic number, because the mean of its divisors is an integer number (2188461968).

Almost surely, 2^13120110021 is an apocalyptic number.

It is an amenable number.

13120110021 is a deficient number, since it is larger than the sum of its proper divisors (4387585723).

13120110021 is a wasteful number, since it uses less digits than its factorization.

13120110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553931.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13120110021 its reverse (12001102131), we get a palindrome (25121212152).

The spelling of 13120110021 in words is "thirteen billion, one hundred twenty million, one hundred ten thousand, twenty-one".