201323221113 has 16 divisors (see below), whose sum is σ = 307380965760. Its totient is φ = 114815819136.

The previous prime is 201323221103. The next prime is 201323221139. The reversal of 201323221113 is 311122323102.

It is not a de Polignac number, because 201323221113 - 2⁵ = 201323221081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 201323221113.

It is not an unprimeable number, because it can be changed into a prime (201323221103) 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, 9406620 + ... + 9427997.

It is an arithmetic number, because the mean of its divisors is an integer number (19211310360).

Almost surely, 2^201323221113 is an apocalyptic number.

It is an amenable number.

201323221113 is a deficient number, since it is larger than the sum of its proper divisors (106057744647).

201323221113 is a wasteful number, since it uses less digits than its factorization.

201323221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18835136.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201323221113 its reverse (311122323102), we get a palindrome (512445544215).

The spelling of 201323221113 in words is "two hundred one billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred thirteen".