211343224143 has 16 divisors (see below), whose sum is σ = 288780584576. Its totient is φ = 137410590240.

The previous prime is 211343224109. The next prime is 211343224207. The reversal of 211343224143 is 341422343112.

211343224143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211343224143 - 2⁹ = 211343223631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211343224143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211343224243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154005 + ... + 1324542.

It is an arithmetic number, because the mean of its divisors is an integer number (18048786536).

Almost surely, 2^211343224143 is an apocalyptic number.

211343224143 is a deficient number, since it is larger than the sum of its proper divisors (77437360433).

211343224143 is a wasteful number, since it uses less digits than its factorization.

211343224143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479254.

The product of its digits is 13824, while the sum is 30.

Adding to 211343224143 its reverse (341422343112), we get a palindrome (552765567255).

The spelling of 211343224143 in words is "two hundred eleven billion, three hundred forty-three million, two hundred twenty-four thousand, one hundred forty-three".