111310106 has 4 divisors (see below), whose sum is σ = 166965162. Its totient is φ = 55655052.

The previous prime is 111310093. The next prime is 111310109. The reversal of 111310106 is 601013111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 92948881 + 18361225 = 9641^2 + 4285^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111310109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27827525 + ... + 27827528.

Almost surely, 2^111310106 is an apocalyptic number.

111310106 is a deficient number, since it is larger than the sum of its proper divisors (55655056).

111310106 is an equidigital number, since it uses as much as digits as its factorization.

111310106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55655055.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 111310106 is about 10550.3604677755. The cubic root of 111310106 is about 481.0366858976.

Adding to 111310106 its reverse (601013111), we get a palindrome (712323217).

The spelling of 111310106 in words is "one hundred eleven million, three hundred ten thousand, one hundred six".