211222044000330 has 128 divisors (see below), whose sum is σ = 557663757336576. Its totient is φ = 50775576768000.

The previous prime is 211222044000323. The next prime is 211222044000361. The reversal of 211222044000330 is 33000440222112.

It is a happy number.

It is a super-2 number, since 2×211222044000330² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222044000330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78856555 + ... + 81491105.

It is an arithmetic number, because the mean of its divisors is an integer number (4356748104192).

Almost surely, 2^{211222044000330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211222044000330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278831878668288).

211222044000330 is an abundant number, since it is smaller than the sum of its proper divisors (346441713336246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211222044000330 is a wasteful number, since it uses less digits than its factorization.

211222044000330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636612.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 211222044000330 its reverse (33000440222112), we get a palindrome (244222484222442).

The spelling of 211222044000330 in words is "two hundred eleven trillion, two hundred twenty-two billion, forty-four million, three hundred thirty", and thus it is an aban number.