2011003233443 has 4 divisors (see below), whose sum is σ = 2011473868008. Its totient is φ = 2010532598880.

The previous prime is 2011003233397. The next prime is 2011003233487. The reversal of 2011003233443 is 3443323001102.

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 2011003233443 - 2¹⁶ = 2011003167907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011003232443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235310873 + ... + 235319418.

It is an arithmetic number, because the mean of its divisors is an integer number (502868467002).

Almost surely, 2^{2011003233443} is an apocalyptic number.

2011003233443 is a deficient number, since it is larger than the sum of its proper divisors (470634565).

2011003233443 is an equidigital number, since it uses as much as digits as its factorization.

2011003233443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470634564.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2011003233443 its reverse (3443323001102), we get a palindrome (5454326234545).

The spelling of 2011003233443 in words is "two trillion, eleven billion, three million, two hundred thirty-three thousand, four hundred forty-three".