4012222111 has 2 divisors, whose sum is σ = 4012222112. Its totient is φ = 4012222110.

The previous prime is 4012222091. The next prime is 4012222117. The reversal of 4012222111 is 1112222104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4012222111 - 2⁵ = 4012222079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012222117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006111055 + 2006111056.

It is an arithmetic number, because the mean of its divisors is an integer number (2006111056).

Almost surely, 2^4012222111 is an apocalyptic number.

4012222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012222111 is an equidigital number, since it uses as much as digits as its factorization.

4012222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4012222111 is about 63342.1037778191. The cubic root of 4012222111 is about 1589.0161907046.

Adding to 4012222111 its reverse (1112222104), we get a palindrome (5124444215).

The spelling of 4012222111 in words is "four billion, twelve million, two hundred twenty-two thousand, one hundred eleven".