43120213211 has 2 divisors, whose sum is σ = 43120213212. Its totient is φ = 43120213210.

The previous prime is 43120213183. The next prime is 43120213231. The reversal of 43120213211 is 11231202134.

It is an a-pointer prime, because the next prime (43120213231) can be obtained adding 43120213211 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43120213211 is a prime.

It is not a weakly prime, because it can be changed into another prime (43120213231) 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, 21560106605 + 21560106606.

It is an arithmetic number, because the mean of its divisors is an integer number (21560106606).

Almost surely, 2^43120213211 is an apocalyptic number.

43120213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

43120213211 is an equidigital number, since it uses as much as digits as its factorization.

43120213211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 43120213211 its reverse (11231202134), we get a palindrome (54351415345).

The spelling of 43120213211 in words is "forty-three billion, one hundred twenty million, two hundred thirteen thousand, two hundred eleven".