2011133330443 has 4 divisors (see below), whose sum is σ = 2013899676880. Its totient is φ = 2008366984008.

The previous prime is 2011133330431. The next prime is 2011133330567. The reversal of 2011133330443 is 3440333311102.

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 2011133330443 - 2¹³ = 2011133322251 is a prime.

It is a super-3 number, since 3×2011133330443³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011133330243) 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, 1383172128 + ... + 1383173581.

It is an arithmetic number, because the mean of its divisors is an integer number (503474919220).

Almost surely, 2^{2011133330443} is an apocalyptic number.

2011133330443 is a deficient number, since it is larger than the sum of its proper divisors (2766346437).

2011133330443 is an equidigital number, since it uses as much as digits as its factorization.

2011133330443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766346436.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 2011133330443 its reverse (3440333311102), we get a palindrome (5451466641545).

The spelling of 2011133330443 in words is "two trillion, eleven billion, one hundred thirty-three million, three hundred thirty thousand, four hundred forty-three".