221333301220 has 24 divisors (see below), whose sum is σ = 465256108800. Its totient is φ = 88446429792.

The previous prime is 221333301197. The next prime is 221333301227. The reversal of 221333301220 is 22103333122.

221333301220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221333301191 and 221333301200.

It is not an unprimeable number, because it can be changed into a prime (221333301227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5409780 + ... + 5450539.

It is an arithmetic number, because the mean of its divisors is an integer number (19385671200).

Almost surely, 2^221333301220 is an apocalyptic number.

221333301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221333301220 is an abundant number, since it is smaller than the sum of its proper divisors (243922807580).

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

221333301220 is a wasteful number, since it uses less digits than its factorization.

221333301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861347 (or 10861345 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221333301220 its reverse (22103333122), we get a palindrome (243436634342).

The spelling of 221333301220 in words is "two hundred twenty-one billion, three hundred thirty-three million, three hundred one thousand, two hundred twenty".