2112440201 has 8 divisors (see below), whose sum is σ = 2153768520. Its totient is φ = 2071446912.

The previous prime is 2112440173. The next prime is 2112440227. The reversal of 2112440201 is 1020442112.

It can be written as a sum of positive squares in 4 ways, for example, as 908419600 + 1204020601 = 30140^2 + 34699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112440201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112440201.

It is not an unprimeable number, because it can be changed into a prime (2112440251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71006 + ... + 96263.

It is an arithmetic number, because the mean of its divisors is an integer number (269221065).

Almost surely, 2^2112440201 is an apocalyptic number.

It is an amenable number.

2112440201 is a deficient number, since it is larger than the sum of its proper divisors (41328319).

2112440201 is a wasteful number, since it uses less digits than its factorization.

2112440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167515.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2112440201 is about 45961.2902451617. The cubic root of 2112440201 is about 1283.1028646835.

Adding to 2112440201 its reverse (1020442112), we get a palindrome (3132882313).

The spelling of 2112440201 in words is "two billion, one hundred twelve million, four hundred forty thousand, two hundred one".