22112228311 has 2 divisors, whose sum is σ = 22112228312. Its totient is φ = 22112228310.

The previous prime is 22112228309. The next prime is 22112228323. The reversal of 22112228311 is 11382221122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22112228311 - 2¹ = 22112228309 is a prime.

Together with 22112228309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112228011) 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 as a sum of consecutive naturals, namely, 11056114155 + 11056114156.

It is an arithmetic number, because the mean of its divisors is an integer number (11056114156).

Almost surely, 2^22112228311 is an apocalyptic number.

22112228311 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112228311 is an equidigital number, since it uses as much as digits as its factorization.

22112228311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

Adding to 22112228311 its reverse (11382221122), we get a palindrome (33494449433).

The spelling of 22112228311 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-eight thousand, three hundred eleven".