2011323434011 has 4 divisors (see below), whose sum is σ = 2098772278992. Its totient is φ = 1923874589032.

The previous prime is 2011323433991. The next prime is 2011323434027. The reversal of 2011323434011 is 1104343231102.

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 2011323434011 - 2¹⁹ = 2011322909723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011323404011) 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, 43724422456 + ... + 43724422501.

It is an arithmetic number, because the mean of its divisors is an integer number (524693069748).

Almost surely, 2^{2011323434011} is an apocalyptic number.

2011323434011 is a deficient number, since it is larger than the sum of its proper divisors (87448844981).

2011323434011 is an equidigital number, since it uses as much as digits as its factorization.

2011323434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87448844980.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2011323434011 its reverse (1104343231102), we get a palindrome (3115666665113).

The spelling of 2011323434011 in words is "two trillion, eleven billion, three hundred twenty-three million, four hundred thirty-four thousand, eleven".