201133331121011 has 4 divisors (see below), whose sum is σ = 212964703539912. Its totient is φ = 189301958702112.

The previous prime is 201133331121007. The next prime is 201133331121013. The reversal of 201133331121011 is 110121133331102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201133331121011 - 2² = 201133331121007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201133331121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5915686209425 + ... + 5915686209458.

It is an arithmetic number, because the mean of its divisors is an integer number (53241175884978).

Almost surely, 2^{201133331121011} is an apocalyptic number.

201133331121011 is a deficient number, since it is larger than the sum of its proper divisors (11831372418901).

201133331121011 is a wasteful number, since it uses less digits than its factorization.

201133331121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831372418900.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 201133331121011 its reverse (110121133331102), we get a palindrome (311254464452113).

The spelling of 201133331121011 in words is "two hundred one trillion, one hundred thirty-three billion, three hundred thirty-one million, one hundred twenty-one thousand, eleven".