111106223 has 2 divisors, whose sum is σ = 111106224. Its totient is φ = 111106222.

The previous prime is 111106211. The next prime is 111106249. The reversal of 111106223 is 322601111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111106223 - 2⁶ = 111106159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111106423) 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, 55553111 + 55553112.

It is an arithmetic number, because the mean of its divisors is an integer number (55553112).

Almost surely, 2^111106223 is an apocalyptic number.

111106223 is a deficient number, since it is larger than the sum of its proper divisors (1).

111106223 is an equidigital number, since it uses as much as digits as its factorization.

111106223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 111106223 is about 10540.6936678759. The cubic root of 111106223 is about 480.7428067896.

Adding to 111106223 its reverse (322601111), we get a palindrome (433707334).

The spelling of 111106223 in words is "one hundred eleven million, one hundred six thousand, two hundred twenty-three".