221332344120 has 48 divisors (see below), whose sum is σ = 719330119560. Its totient is φ = 59021958336.

The previous prime is 221332344097. The next prime is 221332344173. The reversal of 221332344120 is 21443233122.

221332344120 is a `hidden beast` number, since 2 + 2 + 13 + 3 + 234 + 412 + 0 = 666.

221332344120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 307405674 + ... + 307406393.

Almost surely, 2^221332344120 is an apocalyptic number.

221332344120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221332344120 is an abundant number, since it is smaller than the sum of its proper divisors (497997775440).

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

221332344120 is a wasteful number, since it uses less digits than its factorization.

221332344120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614812084 (or 614812077 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 221332344120 its reverse (21443233122), we get a palindrome (242775577242).

The spelling of 221332344120 in words is "two hundred twenty-one billion, three hundred thirty-two million, three hundred forty-four thousand, one hundred twenty".