111330133 has 2 divisors, whose sum is σ = 111330134. Its totient is φ = 111330132.

The previous prime is 111330119. The next prime is 111330187. The reversal of 111330133 is 331033111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56821444 + 54508689 = 7538^2 + 7383^2 .

It is an emirp because it is prime and its reverse (331033111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111330133 - 2¹³ = 111321941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111334133) 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, 55665066 + 55665067.

It is an arithmetic number, because the mean of its divisors is an integer number (55665067).

Almost surely, 2^111330133 is an apocalyptic number.

It is an amenable number.

111330133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111330133 is an equidigital number, since it uses as much as digits as its factorization.

111330133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 111330133 is about 10551.3095395785. The cubic root of 111330133 is about 481.0655336646.

Adding to 111330133 its reverse (331033111), we get a palindrome (442363244).

The spelling of 111330133 in words is "one hundred eleven million, three hundred thirty thousand, one hundred thirty-three".