201011321 has 8 divisors (see below), whose sum is σ = 229844160. Its totient is φ = 172207728.

The previous prime is 201011303. The next prime is 201011333. The reversal of 201011321 is 123110102.

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

It is not a de Polignac number, because 201011321 - 2¹⁰ = 201010297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201011341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10235 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (28730520).

Almost surely, 2^201011321 is an apocalyptic number.

It is an amenable number.

201011321 is a deficient number, since it is larger than the sum of its proper divisors (28832839).

201011321 is a wasteful number, since it uses less digits than its factorization.

201011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14623.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 201011321 is about 14177.8461340219. The cubic root of 201011321 is about 585.7875976985.

Adding to 201011321 its reverse (123110102), we get a palindrome (324121423).

It can be divided in two parts, 2010 and 11321, that added together give a palindrome (13331).

The spelling of 201011321 in words is "two hundred one million, eleven thousand, three hundred twenty-one".