13112211211 has 8 divisors (see below), whose sum is σ = 14312988144. Its totient is φ = 11912893920.

The previous prime is 13112211193. The next prime is 13112211223. The reversal of 13112211211 is 11211221131.

It is a happy number.

13112211211 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 a cyclic number.

It is not a de Polignac number, because 13112211211 - 2⁵ = 13112211179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112211241) 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, 346080 + ... + 382093.

It is an arithmetic number, because the mean of its divisors is an integer number (1789123518).

Almost surely, 2^13112211211 is an apocalyptic number.

13112211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13112211211 is a deficient number, since it is larger than the sum of its proper divisors (1200776933).

13112211211 is a wasteful number, since it uses less digits than its factorization.

13112211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729821.

The product of its digits is 24, while the sum is 16.

Adding to 13112211211 its reverse (11211221131), we get a palindrome (24323432342).

The spelling of 13112211211 in words is "thirteen billion, one hundred twelve million, two hundred eleven thousand, two hundred eleven".