13205222211 has 8 divisors (see below), whose sum is σ = 17608419664. Its totient is φ = 8802753120.

The previous prime is 13205222207. The next prime is 13205222227. The reversal of 13205222211 is 11222250231.

13205222211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13205222211 - 2² = 13205222207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13205222711) 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 7 ways as a sum of consecutive naturals, for example, 138280 + ... + 213381.

It is an arithmetic number, because the mean of its divisors is an integer number (2201052458).

Almost surely, 2^13205222211 is an apocalyptic number.

13205222211 is a deficient number, since it is larger than the sum of its proper divisors (4403197453).

13205222211 is a wasteful number, since it uses less digits than its factorization.

13205222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364181.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 13205222211 its reverse (11222250231), we get a palindrome (24427472442).

The spelling of 13205222211 in words is "thirteen billion, two hundred five million, two hundred twenty-two thousand, two hundred eleven".