201011233321133 has 4 divisors (see below), whose sum is σ = 201175592466528. Its totient is φ = 200846874175740.

The previous prime is 201011233321049. The next prime is 201011233321139. The reversal of 201011233321133 is 331123332110102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201011233321133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011233321139) 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 3 ways as a sum of consecutive naturals, for example, 82179570863 + ... + 82179573308.

It is an arithmetic number, because the mean of its divisors is an integer number (50293898116632).

Almost surely, 2^{201011233321133} is an apocalyptic number.

It is an amenable number.

201011233321133 is a deficient number, since it is larger than the sum of its proper divisors (164359145395).

201011233321133 is a wasteful number, since it uses less digits than its factorization.

201011233321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164359145394.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 201011233321133 its reverse (331123332110102), we get a palindrome (532134565431235).

The spelling of 201011233321133 in words is "two hundred one trillion, eleven billion, two hundred thirty-three million, three hundred twenty-one thousand, one hundred thirty-three".