201233320221 has 8 divisors (see below), whose sum is σ = 268451799264. Its totient is φ = 134085194000.

The previous prime is 201233320187. The next prime is 201233320241. The reversal of 201233320221 is 122023332102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201233320221 - 2⁶ = 201233320157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201233320241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17581530 + ... + 17592971.

It is an arithmetic number, because the mean of its divisors is an integer number (33556474908).

Almost surely, 2^201233320221 is an apocalyptic number.

It is an amenable number.

201233320221 is a deficient number, since it is larger than the sum of its proper divisors (67218479043).

201233320221 is a wasteful number, since it uses less digits than its factorization.

201233320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35176411.

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

Adding to 201233320221 its reverse (122023332102), we get a palindrome (323256652323).

The spelling of 201233320221 in words is "two hundred one billion, two hundred thirty-three million, three hundred twenty thousand, two hundred twenty-one".