201112133 has 4 divisors (see below), whose sum is σ = 202393260. Its totient is φ = 199831008.

The previous prime is 201112111. The next prime is 201112189. The reversal of 201112133 is 331211102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128640964 + 72471169 = 11342^2 + 8513^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112133 - 2⁸ = 201111877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112033) 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 in 3 ways as a sum of consecutive naturals, for example, 640328 + ... + 640641.

It is an arithmetic number, because the mean of its divisors is an integer number (50598315).

Almost surely, 2^201112133 is an apocalyptic number.

It is an amenable number.

201112133 is a deficient number, since it is larger than the sum of its proper divisors (1281127).

201112133 is a wasteful number, since it uses less digits than its factorization.

201112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281126.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 201112133 is about 14181.4009533614. The cubic root of 201112133 is about 585.8855101766.

Adding to 201112133 its reverse (331211102), we get a palindrome (532323235).

The spelling of 201112133 in words is "two hundred one million, one hundred twelve thousand, one hundred thirty-three".