11212322311 has 2 divisors, whose sum is σ = 11212322312. Its totient is φ = 11212322310.

The previous prime is 11212322291. The next prime is 11212322321. The reversal of 11212322311 is 11322321211.

11212322311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212322311 - 2¹¹ = 11212320263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212322321) 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 as a sum of consecutive naturals, namely, 5606161155 + 5606161156.

It is an arithmetic number, because the mean of its divisors is an integer number (5606161156).

Almost surely, 2^11212322311 is an apocalyptic number.

11212322311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212322311 is an equidigital number, since it uses as much as digits as its factorization.

11212322311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

Adding to 11212322311 its reverse (11322321211), we get a palindrome (22534643522).

The spelling of 11212322311 in words is "eleven billion, two hundred twelve million, three hundred twenty-two thousand, three hundred eleven".