211143212344 has 16 divisors (see below), whose sum is σ = 395907528600. Its totient is φ = 105567871392.

The previous prime is 211143212297. The next prime is 211143212363. The reversal of 211143212344 is 443212341112.

It is a happy number.

211143212344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211143212344² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 218827 + ... + 685690.

Almost surely, 2^211143212344 is an apocalyptic number.

It is an amenable number.

211143212344 is a deficient number, since it is larger than the sum of its proper divisors (184764316256).

211143212344 is a wasteful number, since it uses less digits than its factorization.

211143212344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933702 (or 933698 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 211143212344 its reverse (443212341112), we get a palindrome (654355553456).

The spelling of 211143212344 in words is "two hundred eleven billion, one hundred forty-three million, two hundred twelve thousand, three hundred forty-four".