13313210121 has 12 divisors (see below), whose sum is σ = 19850521600. Its totient is φ = 8589167640.

The previous prime is 13313210117. The next prime is 13313210123. The reversal of 13313210121 is 12101231331.

13313210121 is a `hidden beast` number, since 1 + 331 + 3 + 210 + 121 = 666.

13313210121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13313210121 - 2² = 13313210117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13313210094 and 13313210103.

It is not an unprimeable number, because it can be changed into a prime (13313210123) 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 11 ways as a sum of consecutive naturals, for example, 23858521 + ... + 23859078.

Almost surely, 2^13313210121 is an apocalyptic number.

It is an amenable number.

13313210121 is a deficient number, since it is larger than the sum of its proper divisors (6537311479).

13313210121 is a wasteful number, since it uses less digits than its factorization.

13313210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47717636 (or 47717633 counting only the distinct ones).

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

Adding to 13313210121 its reverse (12101231331), we get a palindrome (25414441452).

The spelling of 13313210121 in words is "thirteen billion, three hundred thirteen million, two hundred ten thousand, one hundred twenty-one".