2211111043 has 2 divisors, whose sum is σ = 2211111044. Its totient is φ = 2211111042.

The previous prime is 2211111037. The next prime is 2211111079. The reversal of 2211111043 is 3401111122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211111043 - 2¹³ = 2211102851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211111143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105555521 + 1105555522.

It is an arithmetic number, because the mean of its divisors is an integer number (1105555522).

Almost surely, 2^2211111043 is an apocalyptic number.

2211111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211111043 is an equidigital number, since it uses as much as digits as its factorization.

2211111043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2211111043 is about 47022.4525413126. The cubic root of 2211111043 is about 1302.7773055651. Note that the first 3 decimals are identical.

Adding to 2211111043 its reverse (3401111122), we get a palindrome (5612222165).

The spelling of 2211111043 in words is "two billion, two hundred eleven million, one hundred eleven thousand, forty-three".