11123222311 has 2 divisors, whose sum is σ = 11123222312. Its totient is φ = 11123222310.

The previous prime is 11123222291. The next prime is 11123222389. The reversal of 11123222311 is 11322232111.

It is a weak prime.

It is an emirp because it is prime and its reverse (11322232111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11123222311 - 2⁹ = 11123221799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561611155 + 5561611156.

It is an arithmetic number, because the mean of its divisors is an integer number (5561611156).

Almost surely, 2^11123222311 is an apocalyptic number.

11123222311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123222311 is an equidigital number, since it uses as much as digits as its factorization.

11123222311 is an evil number, because the sum of its binary digits is even.

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

Adding to 11123222311 its reverse (11322232111), we get a palindrome (22445454422).

The spelling of 11123222311 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred eleven".