221011303330 has 16 divisors (see below), whose sum is σ = 398373655680. Its totient is φ = 88281563632.

The previous prime is 221011303309. The next prime is 221011303349. The reversal of 221011303330 is 33303110122.

It is a junction number, because it is equal to n+sod(n) for n = 221011303298 and 221011303307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15362164 + ... + 15376543.

It is an arithmetic number, because the mean of its divisors is an integer number (24898353480).

Almost surely, 2^221011303330 is an apocalyptic number.

221011303330 is a deficient number, since it is larger than the sum of its proper divisors (177362352350).

221011303330 is a wasteful number, since it uses less digits than its factorization.

221011303330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30739433.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 221011303330 its reverse (33303110122), we get a palindrome (254314413452).

The spelling of 221011303330 in words is "two hundred twenty-one billion, eleven million, three hundred three thousand, three hundred thirty".