221033303321033 has 16 divisors (see below), whose sum is σ = 263339946931200. Its totient is φ = 181530294264000.

The previous prime is 221033303321029. The next prime is 221033303321053. The reversal of 221033303321033 is 330123303330122.

It is not a de Polignac number, because 221033303321033 - 2² = 221033303321029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221033303320987 and 221033303321005.

It is not an unprimeable number, because it can be changed into a prime (221033303321053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5042486258 + ... + 5042530091.

It is an arithmetic number, because the mean of its divisors is an integer number (16458746683200).

Almost surely, 2^{221033303321033} is an apocalyptic number.

It is an amenable number.

221033303321033 is a deficient number, since it is larger than the sum of its proper divisors (42306643610167).

221033303321033 is a wasteful number, since it uses less digits than its factorization.

221033303321033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10085016488.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 221033303321033 its reverse (330123303330122), we get a palindrome (551156606651155).

The spelling of 221033303321033 in words is "two hundred twenty-one trillion, thirty-three billion, three hundred three million, three hundred twenty-one thousand, thirty-three".