2112005443 has 2 divisors, whose sum is σ = 2112005444. Its totient is φ = 2112005442.

The previous prime is 2112005419. The next prime is 2112005447. The reversal of 2112005443 is 3445002112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112005443 - 2²¹ = 2109908291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112005447) 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 as a sum of consecutive naturals, namely, 1056002721 + 1056002722.

It is an arithmetic number, because the mean of its divisors is an integer number (1056002722).

Almost surely, 2^2112005443 is an apocalyptic number.

2112005443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112005443 is an equidigital number, since it uses as much as digits as its factorization.

2112005443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2112005443 is about 45956.5603913087. The cubic root of 2112005443 is about 1283.0148341823.

Adding to 2112005443 its reverse (3445002112), we get a palindrome (5557007555).

The spelling of 2112005443 in words is "two billion, one hundred twelve million, five thousand, four hundred forty-three".