13201211211 has 4 divisors (see below), whose sum is σ = 17601614952. Its totient is φ = 8800807472.

The previous prime is 13201211203. The next prime is 13201211291. The reversal of 13201211211 is 11211210231.

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

It is a cyclic number.

It is not a de Polignac number, because 13201211211 - 2³ = 13201211203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13201211291) 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, 2200201866 + ... + 2200201871.

It is an arithmetic number, because the mean of its divisors is an integer number (4400403738).

Almost surely, 2^13201211211 is an apocalyptic number.

13201211211 is a deficient number, since it is larger than the sum of its proper divisors (4400403741).

13201211211 is an equidigital number, since it uses as much as digits as its factorization.

13201211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400403740.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13201211211 its reverse (11211210231), we get a palindrome (24412421442).

The spelling of 13201211211 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, two hundred eleven".