43112122441 has 2 divisors, whose sum is σ = 43112122442. Its totient is φ = 43112122440.

The previous prime is 43112122439. The next prime is 43112122481. The reversal of 43112122441 is 14422121134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40594190400 + 2517932041 = 201480^2 + 50179^2 .

It is a cyclic number.

It is not a de Polignac number, because 43112122441 - 2¹ = 43112122439 is a prime.

Together with 43112122439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43112122481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556061220 + 21556061221.

It is an arithmetic number, because the mean of its divisors is an integer number (21556061221).

Almost surely, 2^43112122441 is an apocalyptic number.

It is an amenable number.

43112122441 is a deficient number, since it is larger than the sum of its proper divisors (1).

43112122441 is an equidigital number, since it uses as much as digits as its factorization.

43112122441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

Adding to 43112122441 its reverse (14422121134), we get a palindrome (57534243575).

The spelling of 43112122441 in words is "forty-three billion, one hundred twelve million, one hundred twenty-two thousand, four hundred forty-one".