2144243111 has 2 divisors, whose sum is σ = 2144243112. Its totient is φ = 2144243110.

The previous prime is 2144243083. The next prime is 2144243113. The reversal of 2144243111 is 1113424412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144243111 - 2¹⁸ = 2143980967 is a prime.

Together with 2144243113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144243113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072121555 + 1072121556.

It is an arithmetic number, because the mean of its divisors is an integer number (1072121556).

Almost surely, 2^2144243111 is an apocalyptic number.

2144243111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144243111 is an equidigital number, since it uses as much as digits as its factorization.

2144243111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 2144243111 is about 46305.9727357066. The cubic root of 2144243111 is about 1289.5098815138.

Adding to 2144243111 its reverse (1113424412), we get a palindrome (3257667523).

The spelling of 2144243111 in words is "two billion, one hundred forty-four million, two hundred forty-three thousand, one hundred eleven".