2211123443 has 2 divisors, whose sum is σ = 2211123444. Its totient is φ = 2211123442.

The previous prime is 2211123433. The next prime is 2211123449. The reversal of 2211123443 is 3443211122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2211123443 - 2⁶ = 2211123379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211123449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105561721 + 1105561722.

It is an arithmetic number, because the mean of its divisors is an integer number (1105561722).

Almost surely, 2^2211123443 is an apocalyptic number.

2211123443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211123443 is an equidigital number, since it uses as much as digits as its factorization.

2211123443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 2211123443 is about 47022.5843930339. The cubic root of 2211123443 is about 1302.7797409032.

Adding to 2211123443 its reverse (3443211122), we get a palindrome (5654334565).

It can be divided in two parts, 22111 and 23443, that added together give a palindrome (45554).

The spelling of 2211123443 in words is "two billion, two hundred eleven million, one hundred twenty-three thousand, four hundred forty-three".