222211231111 has 2 divisors, whose sum is σ = 222211231112. Its totient is φ = 222211231110.

The previous prime is 222211231103. The next prime is 222211231153. The reversal of 222211231111 is 111132112222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222211231111 - 2³ = 222211231103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222211231211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105615555 + 111105615556.

It is an arithmetic number, because the mean of its divisors is an integer number (111105615556).

Almost surely, 2^222211231111 is an apocalyptic number.

222211231111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211231111 is an equidigital number, since it uses as much as digits as its factorization.

222211231111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 19.

Adding to 222211231111 its reverse (111132112222), we get a palindrome (333343343333).

The spelling of 222211231111 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred thirty-one thousand, one hundred eleven".