221201223303 has 8 divisors (see below), whose sum is σ = 294944751088. Its totient is φ = 147462588864.

The previous prime is 221201223301. The next prime is 221201223307. The reversal of 221201223303 is 303322102122.

It is a happy number.

221201223303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221201223303 - 2¹ = 221201223301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221201223303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221201223301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1116526 + ... + 1299627.

It is an arithmetic number, because the mean of its divisors is an integer number (36868093886).

Almost surely, 2^221201223303 is an apocalyptic number.

221201223303 is a deficient number, since it is larger than the sum of its proper divisors (73743527785).

221201223303 is a wasteful number, since it uses less digits than its factorization.

221201223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446673.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221201223303 its reverse (303322102122), we get a palindrome (524523325425).

The spelling of 221201223303 in words is "two hundred twenty-one billion, two hundred one million, two hundred twenty-three thousand, three hundred three".