13201211113 has 4 divisors (see below), whose sum is σ = 13207178628. Its totient is φ = 13195243600.

The previous prime is 13201211071. The next prime is 13201211131. The reversal of 13201211113 is 31111210231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11627740224 + 1573470889 = 107832^2 + 39667^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201211113 - 2³³ = 4611276521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201211143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2980438 + ... + 2984863.

It is an arithmetic number, because the mean of its divisors is an integer number (3301794657).

Almost surely, 2^13201211113 is an apocalyptic number.

It is an amenable number.

13201211113 is a deficient number, since it is larger than the sum of its proper divisors (5967515).

13201211113 is an equidigital number, since it uses as much as digits as its factorization.

13201211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967514.

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

Adding to 13201211113 its reverse (31111210231), we get a palindrome (44312421344).

The spelling of 13201211113 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, one hundred thirteen".