211444223234 has 8 divisors (see below), whose sum is σ = 317198757888. Its totient is φ = 105711303940.

The previous prime is 211444223233. The next prime is 211444223273. The reversal of 211444223234 is 432322444112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211444223234.

It is not an unprimeable number, because it can be changed into a prime (211444223233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5379362 + ... + 5418525.

It is an arithmetic number, because the mean of its divisors is an integer number (39649844736).

Almost surely, 2^211444223234 is an apocalyptic number.

211444223234 is a deficient number, since it is larger than the sum of its proper divisors (105754534654).

211444223234 is a wasteful number, since it uses less digits than its factorization.

211444223234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10807680.

The product of its digits is 36864, while the sum is 32.

Adding to 211444223234 its reverse (432322444112), we get a palindrome (643766667346).

The spelling of 211444223234 in words is "two hundred eleven billion, four hundred forty-four million, two hundred twenty-three thousand, two hundred thirty-four".