221020133322 has 16 divisors (see below), whose sum is σ = 461259408960. Its totient is φ = 70470187392.

The previous prime is 221020133317. The next prime is 221020133357. The reversal of 221020133322 is 223331020122.

It is a happy number.

221020133322 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800797447 + ... + 800797722.

It is an arithmetic number, because the mean of its divisors is an integer number (28828713060).

Almost surely, 2^221020133322 is an apocalyptic number.

221020133322 is an abundant number, since it is smaller than the sum of its proper divisors (240239275638).

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

221020133322 is a wasteful number, since it uses less digits than its factorization.

221020133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601595197.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221020133322 its reverse (223331020122), we get a palindrome (444351153444).

The spelling of 221020133322 in words is "two hundred twenty-one billion, twenty million, one hundred thirty-three thousand, three hundred twenty-two".