12211323122311 has 8 divisors (see below), whose sum is σ = 12365968179200. Its totient is φ = 12056679849240.

The previous prime is 12211323122293. The next prime is 12211323122321. The reversal of 12211323122311 is 11322132311221.

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 12211323122311 - 2¹¹ = 12211323120263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211323122321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18277846 + ... + 18934156.

It is an arithmetic number, because the mean of its divisors is an integer number (1545746022400).

Almost surely, 2^{12211323122311} is an apocalyptic number.

12211323122311 is a deficient number, since it is larger than the sum of its proper divisors (154645056889).

12211323122311 is an equidigital number, since it uses as much as digits as its factorization.

12211323122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891909.

The product of its digits is 864, while the sum is 25.

Adding to 12211323122311 its reverse (11322132311221), we get a palindrome (23533455433532).

The spelling of 12211323122311 in words is "twelve trillion, two hundred eleven billion, three hundred twenty-three million, one hundred twenty-two thousand, three hundred eleven".