221003220333220 has 96 divisors (see below), whose sum is σ = 508383712359936. Its totient is φ = 80202972096000.

The previous prime is 221003220333193. The next prime is 221003220333221. The reversal of 221003220333220 is 22333022300122.

It is not an unprimeable number, because it can be changed into a prime (221003220333221) 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 31 ways as a sum of consecutive naturals, for example, 15795795 + ... + 26296645.

It is an arithmetic number, because the mean of its divisors is an integer number (5295663670416).

Almost surely, 2^{221003220333220} is an apocalyptic number.

221003220333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221003220333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254191856179968).

221003220333220 is an abundant number, since it is smaller than the sum of its proper divisors (287380492026716).

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

221003220333220 is a wasteful number, since it uses less digits than its factorization.

221003220333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502261 (or 10502259 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 221003220333220 its reverse (22333022300122), we get a palindrome (243336242633342).

The spelling of 221003220333220 in words is "two hundred twenty-one trillion, three billion, two hundred twenty million, three hundred thirty-three thousand, two hundred twenty".