211143144412 has 48 divisors (see below), whose sum is σ = 383280916480. Its totient is φ = 101710219968.

The previous prime is 211143144379. The next prime is 211143144413. The reversal of 211143144412 is 214441341112.

It is a happy number.

211143144412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211143144413) 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, 4155553 + ... + 4206055.

Almost surely, 2^211143144412 is an apocalyptic number.

It is an amenable number.

211143144412 is a deficient number, since it is larger than the sum of its proper divisors (172137772068).

211143144412 is a wasteful number, since it uses less digits than its factorization.

211143144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50882 (or 50880 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

Adding to 211143144412 its reverse (214441341112), we get a palindrome (425584485524).

The spelling of 211143144412 in words is "two hundred eleven billion, one hundred forty-three million, one hundred forty-four thousand, four hundred twelve".