2222222231111 has 2 divisors, whose sum is σ = 2222222231112. Its totient is φ = 2222222231110.

The previous prime is 2222222231077. The next prime is 2222222231147. The reversal of 2222222231111 is 1111322222222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222222231111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222222237111) 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, 1111111115555 + 1111111115556.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111115556).

Almost surely, 2^{2222222231111} is an apocalyptic number.

2222222231111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222222231111 is an equidigital number, since it uses as much as digits as its factorization.

2222222231111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

Adding to 2222222231111 its reverse (1111322222222), we get a palindrome (3333544453333).

The spelling of 2222222231111 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred eleven".