21320333103222 has 256 divisors, whose sum is σ = 52680703795200. Its totient is φ = 6363109509120.

The previous prime is 21320333103221. The next prime is 21320333103253. The reversal of 21320333103222 is 22230133302312.

21320333103222 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 0 + 3 + 331 + 0 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21320333103221) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 276342772 + ... + 276419912.

It is an arithmetic number, because the mean of its divisors is an integer number (205783999200).

Almost surely, 2^{21320333103222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21320333103222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26340351897600).

21320333103222 is an abundant number, since it is smaller than the sum of its proper divisors (31360370691978).

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

21320333103222 is a wasteful number, since it uses less digits than its factorization.

21320333103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77388 (or 77382 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21320333103222 its reverse (22230133302312), we get a palindrome (43550466405534).

The spelling of 21320333103222 in words is "twenty-one trillion, three hundred twenty billion, three hundred thirty-three million, one hundred three thousand, two hundred twenty-two".