221081348288 has 28 divisors (see below), whose sum is σ = 439965388800. Its totient is φ = 110223927552.

The previous prime is 221081348263. The next prime is 221081348291. The reversal of 221081348288 is 882843180122.

221081348288 is digitally balanced in base 2 and base 3, because in such bases 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4926656 + ... + 4971327.

It is an arithmetic number, because the mean of its divisors is an integer number (15713049600).

Almost surely, 2^221081348288 is an apocalyptic number.

It is an amenable number.

221081348288 is a deficient number, since it is larger than the sum of its proper divisors (218884040512).

221081348288 is an equidigital number, since it uses as much as digits as its factorization.

221081348288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9898344 (or 9898334 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 47.

The spelling of 221081348288 in words is "two hundred twenty-one billion, eighty-one million, three hundred forty-eight thousand, two hundred eighty-eight".