111441133 has 2 divisors, whose sum is σ = 111441134. Its totient is φ = 111441132.

The previous prime is 111441107. The next prime is 111441163. The reversal of 111441133 is 331144111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56355049 + 55086084 = 7507^2 + 7422^2 .

It is a cyclic number.

It is not a de Polignac number, because 111441133 - 2⁵ = 111441101 is a prime.

It is a super-2 number, since 2×111441133² = 24838252248647378, which contains 22 as substring.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111441133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111441163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55720566 + 55720567.

It is an arithmetic number, because the mean of its divisors is an integer number (55720567).

Almost surely, 2^111441133 is an apocalyptic number.

It is an amenable number.

111441133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111441133 is an equidigital number, since it uses as much as digits as its factorization.

111441133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 111441133 is about 10556.5682397264. The cubic root of 111441133 is about 481.2253602272.

Adding to 111441133 its reverse (331144111), we get a palindrome (442585244).

The spelling of 111441133 in words is "one hundred eleven million, four hundred forty-one thousand, one hundred thirty-three".