211442110444 has 24 divisors (see below), whose sum is σ = 370689974928. Its totient is φ = 105530792640.

The previous prime is 211442110441. The next prime is 211442110457. The reversal of 211442110444 is 444011244112.

It is not an unprimeable number, because it can be changed into a prime (211442110441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9773199 + ... + 9794809.

It is an arithmetic number, because the mean of its divisors is an integer number (15445415622).

Almost surely, 2^211442110444 is an apocalyptic number.

It is an amenable number.

211442110444 is a deficient number, since it is larger than the sum of its proper divisors (159247864484).

211442110444 is a wasteful number, since it uses less digits than its factorization.

211442110444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25905 (or 25903 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 211442110444 its reverse (444011244112), we get a palindrome (655453354556).

The spelling of 211442110444 in words is "two hundred eleven billion, four hundred forty-two million, one hundred ten thousand, four hundred forty-four".