112221133 has 2 divisors, whose sum is σ = 112221134. Its totient is φ = 112221132.

The previous prime is 112221113. The next prime is 112221139. The reversal of 112221133 is 331122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111450249 + 770884 = 10557^2 + 878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221133 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110566 + 56110567.

It is an arithmetic number, because the mean of its divisors is an integer number (56110567).

Almost surely, 2^112221133 is an apocalyptic number.

It is an amenable number.

112221133 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221133 is an equidigital number, since it uses as much as digits as its factorization.

112221133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 16.

The square root of 112221133 is about 10593.4476446528. The cubic root of 112221133 is about 482.3454835572.

Adding to 112221133 its reverse (331122211), we get a palindrome (443343344).

The spelling of 112221133 in words is "one hundred twelve million, two hundred twenty-one thousand, one hundred thirty-three".