201001323303001 has 24 divisors (see below), whose sum is σ = 218208071249280. Its totient is φ = 184055746748832.

The previous prime is 201001323302999. The next prime is 201001323303007. The reversal of 201001323303001 is 100303323100102.

201001323303001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201001323303001 - 2¹ = 201001323302999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201001323303001.

It is not an unprimeable number, because it can be changed into a prime (201001323303007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1808827920 + ... + 1808939038.

It is an arithmetic number, because the mean of its divisors is an integer number (9092002968720).

Almost surely, 2^{201001323303001} is an apocalyptic number.

It is an amenable number.

201001323303001 is a deficient number, since it is larger than the sum of its proper divisors (17206747946279).

201001323303001 is a wasteful number, since it uses less digits than its factorization.

201001323303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120013 (or 119886 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201001323303001 its reverse (100303323100102), we get a palindrome (301304646403103).

The spelling of 201001323303001 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred three thousand, one".