13113121201 has 4 divisors (see below), whose sum is σ = 13418077552. Its totient is φ = 12808164852.

The previous prime is 13113121159. The next prime is 13113121211. The reversal of 13113121201 is 10212131131.

It is a happy number.

13113121201 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, and also an emirpimes, since its reverse is a distinct semiprime: 10212131131 = 99581 ⋅102551.

It is a cyclic number.

It is not a de Polignac number, because 13113121201 - 2⁹ = 13113120689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113121211) 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, 152478111 + ... + 152478196.

It is an arithmetic number, because the mean of its divisors is an integer number (3354519388).

Almost surely, 2^13113121201 is an apocalyptic number.

It is an amenable number.

13113121201 is a deficient number, since it is larger than the sum of its proper divisors (304956351).

13113121201 is an equidigital number, since it uses as much as digits as its factorization.

13113121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304956350.

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

Adding to 13113121201 its reverse (10212131131), we get a palindrome (23325252332).

The spelling of 13113121201 in words is "thirteen billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred one".