221100332020332 has 24 divisors (see below), whose sum is σ = 515907517045872. Its totient is φ = 73699147483200.

The previous prime is 221100332020331. The next prime is 221100332020357. The reversal of 221100332020332 is 233020233001122.

It is a super-2 number, since 2×221100332020332² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221100332020331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119442019 + ... + 121279002.

It is an arithmetic number, because the mean of its divisors is an integer number (21496146543578).

Almost surely, 2^{221100332020332} is an apocalyptic number.

It is an amenable number.

221100332020332 is an abundant number, since it is smaller than the sum of its proper divisors (294807185025540).

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

221100332020332 is a wasteful number, since it uses less digits than its factorization.

221100332020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240797569 (or 240797567 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221100332020332 its reverse (233020233001122), we get a palindrome (454120565021454).

The spelling of 221100332020332 in words is "two hundred twenty-one trillion, one hundred billion, three hundred thirty-two million, twenty thousand, three hundred thirty-two".