201321033321 has 8 divisors (see below), whose sum is σ = 282555836320. Its totient is φ = 127150126272.

The previous prime is 201321033307. The next prime is 201321033323. The reversal of 201321033321 is 123330123102.

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

It is not a de Polignac number, because 201321033321 - 2⁵ = 201321033289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201321033323) 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, 1765973920 + ... + 1765974033.

It is an arithmetic number, because the mean of its divisors is an integer number (35319479540).

Almost surely, 2^201321033321 is an apocalyptic number.

It is an amenable number.

201321033321 is a deficient number, since it is larger than the sum of its proper divisors (81234802999).

201321033321 is a wasteful number, since it uses less digits than its factorization.

201321033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531947975.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 201321033321 its reverse (123330123102), we get a palindrome (324651156423).

The spelling of 201321033321 in words is "two hundred one billion, three hundred twenty-one million, thirty-three thousand, three hundred twenty-one".