222111011 has 2 divisors, whose sum is σ = 222111012. Its totient is φ = 222111010.

The previous prime is 222110989. The next prime is 222111017. The reversal of 222111011 is 110111222.

222111011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222111011 - 2⁶ = 222110947 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222110983 and 222111001.

It is not a weakly prime, because it can be changed into another prime (222111017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055505 + 111055506.

It is an arithmetic number, because the mean of its divisors is an integer number (111055506).

Almost surely, 2^222111011 is an apocalyptic number.

222111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111011 is an equidigital number, since it uses as much as digits as its factorization.

222111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 222111011 is about 14903.3892454032. The cubic root of 222111011 is about 605.6058053161.

Adding to 222111011 its reverse (110111222), we get a palindrome (332222233).

The spelling of 222111011 in words is "two hundred twenty-two million, one hundred eleven thousand, eleven".