12022311122311 has 4 divisors (see below), whose sum is σ = 13739784139792. Its totient is φ = 10304838104832.

The previous prime is 12022311122251. The next prime is 12022311122333. The reversal of 12022311122311 is 11322111322021.

It is a happy number.

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 12022311122311 - 2³¹ = 12020163638663 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 (12022311122711) 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, 858736508730 + ... + 858736508743.

It is an arithmetic number, because the mean of its divisors is an integer number (3434946034948).

Almost surely, 2^{12022311122311} is an apocalyptic number.

12022311122311 is a deficient number, since it is larger than the sum of its proper divisors (1717473017481).

12022311122311 is an equidigital number, since it uses as much as digits as its factorization.

12022311122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717473017480.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12022311122311 its reverse (11322111322021), we get a palindrome (23344422444332).

The spelling of 12022311122311 in words is "twelve trillion, twenty-two billion, three hundred eleven million, one hundred twenty-two thousand, three hundred eleven".