2112240133 has 4 divisors (see below), whose sum is σ = 2113309440. Its totient is φ = 2111170828.

The previous prime is 2112240101. The next prime is 2112240139. The reversal of 2112240133 is 3310422112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112240133 - 2⁵ = 2112240101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112240133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112240139) 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, 531685 + ... + 535642.

It is an arithmetic number, because the mean of its divisors is an integer number (528327360).

Almost surely, 2^2112240133 is an apocalyptic number.

It is an amenable number.

2112240133 is a deficient number, since it is larger than the sum of its proper divisors (1069307).

2112240133 is a wasteful number, since it uses less digits than its factorization.

2112240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069306.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2112240133 is about 45959.1137099052. The cubic root of 2112240133 is about 1283.0623560925.

Adding to 2112240133 its reverse (3310422112), we get a palindrome (5422662245).

The spelling of 2112240133 in words is "two billion, one hundred twelve million, two hundred forty thousand, one hundred thirty-three".