211444221303 has 24 divisors (see below), whose sum is σ = 350310918048. Its totient is φ = 120389067072.

The previous prime is 211444221257. The next prime is 211444221311. The reversal of 211444221303 is 303122444112.

211444221303 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 442 + 213 + 0 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-211444221303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211444221343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6040776 + ... + 6075677.

It is an arithmetic number, because the mean of its divisors is an integer number (14596288252).

Almost surely, 2^211444221303 is an apocalyptic number.

211444221303 is a deficient number, since it is larger than the sum of its proper divisors (138866696745).

211444221303 is a wasteful number, since it uses less digits than its factorization.

211444221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116743 (or 12116740 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 211444221303 its reverse (303122444112), we get a palindrome (514566665415).

The spelling of 211444221303 in words is "two hundred eleven billion, four hundred forty-four million, two hundred twenty-one thousand, three hundred three".