211421314444 has 12 divisors (see below), whose sum is σ = 370870327800. Its totient is φ = 105458363648.

The previous prime is 211421314331. The next prime is 211421314451. The reversal of 211421314444 is 444413124112.

211421314444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 63071509 + ... + 63074860.

It is an arithmetic number, because the mean of its divisors is an integer number (30905860650).

Almost surely, 2^211421314444 is an apocalyptic number.

It is an amenable number.

211421314444 is a deficient number, since it is larger than the sum of its proper divisors (159449013356).

211421314444 is a wasteful number, since it uses less digits than its factorization.

211421314444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126146792 (or 126146790 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

Adding to 211421314444 its reverse (444413124112), we get a palindrome (655834438556).

The spelling of 211421314444 in words is "two hundred eleven billion, four hundred twenty-one million, three hundred fourteen thousand, four hundred forty-four".