13120102321 has 4 divisors (see below), whose sum is σ = 13120548352. Its totient is φ = 13119656292.

The previous prime is 13120102297. The next prime is 13120102327. The reversal of 13120102321 is 12320102131.

13120102321 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13120102321 - 2¹³ = 13120094129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120102295 and 13120102304.

It is not an unprimeable number, because it can be changed into a prime (13120102327) 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, 175521 + ... + 238846.

It is an arithmetic number, because the mean of its divisors is an integer number (3280137088).

Almost surely, 2^13120102321 is an apocalyptic number.

It is an amenable number.

13120102321 is a deficient number, since it is larger than the sum of its proper divisors (446031).

13120102321 is an equidigital number, since it uses as much as digits as its factorization.

13120102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446030.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13120102321 its reverse (12320102131), we get a palindrome (25440204452).

The spelling of 13120102321 in words is "thirteen billion, one hundred twenty million, one hundred two thousand, three hundred twenty-one".