111030133 has 2 divisors, whose sum is σ = 111030134. Its totient is φ = 111030132.

The previous prime is 111030113. The next prime is 111030151. The reversal of 111030133 is 331030111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 1764 = 10537^2 + 42^2 .

It is an emirp because it is prime and its reverse (331030111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111030133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111030103) 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, 55515066 + 55515067.

It is an arithmetic number, because the mean of its divisors is an integer number (55515067).

Almost surely, 2^111030133 is an apocalyptic number.

It is an amenable number.

111030133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111030133 is an equidigital number, since it uses as much as digits as its factorization.

111030133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 111030133 is about 10537.0837047069. The cubic root of 111030133 is about 480.6330377392.

Adding to 111030133 its reverse (331030111), we get a palindrome (442060244).

The spelling of 111030133 in words is "one hundred eleven million, thirty thousand, one hundred thirty-three".