201333011321 has 16 divisors (see below), whose sum is σ = 229871479824. Its totient is φ = 174687320064.

The previous prime is 201333011317. The next prime is 201333011329. The reversal of 201333011321 is 123110333102.

It can be written as a sum of positive squares in 8 ways, for example, as 131423296 + 201201588025 = 11464^2 + 448555^2 .

It is a cyclic number.

It is not a de Polignac number, because 201333011321 - 2² = 201333011317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201333011293 and 201333011302.

It is not an unprimeable number, because it can be changed into a prime (201333011329) 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, 418436 + ... + 760101.

It is an arithmetic number, because the mean of its divisors is an integer number (14366967489).

Almost surely, 2^201333011321 is an apocalyptic number.

It is an amenable number.

201333011321 is a deficient number, since it is larger than the sum of its proper divisors (28538468503).

201333011321 is a wasteful number, since it uses less digits than its factorization.

201333011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179340.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201333011321 its reverse (123110333102), we get a palindrome (324443344423).

The spelling of 201333011321 in words is "two hundred one billion, three hundred thirty-three million, eleven thousand, three hundred twenty-one".