2011330100233 has 4 divisors (see below), whose sum is σ = 2060386931988. Its totient is φ = 1962273268480.

The previous prime is 2011330100207. The next prime is 2011330100257. The reversal of 2011330100233 is 3320010331102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1136042617609 + 875287482624 = 1065853^2 + 935568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011330100233 - 2⁹ = 2011330099721 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 2011330100233.

It is not an unprimeable number, because it can be changed into a prime (2011330100033) 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, 24528415816 + ... + 24528415897.

It is an arithmetic number, because the mean of its divisors is an integer number (515096732997).

Almost surely, 2^{2011330100233} is an apocalyptic number.

It is an amenable number.

2011330100233 is a deficient number, since it is larger than the sum of its proper divisors (49056831755).

2011330100233 is an equidigital number, since it uses as much as digits as its factorization.

2011330100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49056831754.

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

Adding to 2011330100233 its reverse (3320010331102), we get a palindrome (5331340431335).

The spelling of 2011330100233 in words is "two trillion, eleven billion, three hundred thirty million, one hundred thousand, two hundred thirty-three".