201323330121 has 32 divisors (see below), whose sum is σ = 276185894400. Its totient is φ = 130395386880.

The previous prime is 201323330099. The next prime is 201323330177. The reversal of 201323330121 is 121033323102.

It is not a de Polignac number, because 201323330121 - 2⁷ = 201323329993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201323330821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16916245 + ... + 16928141.

It is an arithmetic number, because the mean of its divisors is an integer number (8630809200).

Almost surely, 2^201323330121 is an apocalyptic number.

It is an amenable number.

201323330121 is a deficient number, since it is larger than the sum of its proper divisors (74862564279).

201323330121 is a wasteful number, since it uses less digits than its factorization.

201323330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089.

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

Adding to 201323330121 its reverse (121033323102), we get a palindrome (322356653223).

The spelling of 201323330121 in words is "two hundred one billion, three hundred twenty-three million, three hundred thirty thousand, one hundred twenty-one".