22122212311 has 2 divisors, whose sum is σ = 22122212312. Its totient is φ = 22122212310.

The previous prime is 22122212213. The next prime is 22122212323. The reversal of 22122212311 is 11321222122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122212311 - 2⁹ = 22122211799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122212381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061106155 + 11061106156.

It is an arithmetic number, because the mean of its divisors is an integer number (11061106156).

Almost surely, 2^22122212311 is an apocalyptic number.

22122212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122212311 is an equidigital number, since it uses as much as digits as its factorization.

22122212311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

Adding to 22122212311 its reverse (11321222122), we get a palindrome (33443434433).

The spelling of 22122212311 in words is "twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, three hundred eleven".