20112330020011 has 4 divisors (see below), whose sum is σ = 20130335688112. Its totient is φ = 20094324351912.

The previous prime is 20112330019967. The next prime is 20112330020033. The reversal of 20112330020011 is 11002003321102.

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 20112330020011 - 2¹³ = 20112330011819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112330020051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9002832375 + ... + 9002834608.

It is an arithmetic number, because the mean of its divisors is an integer number (5032583922028).

Almost surely, 2^{20112330020011} is an apocalyptic number.

20112330020011 is a deficient number, since it is larger than the sum of its proper divisors (18005668101).

20112330020011 is a wasteful number, since it uses less digits than its factorization.

20112330020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18005668100.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20112330020011 its reverse (11002003321102), we get a palindrome (31114333341113).

The spelling of 20112330020011 in words is "twenty trillion, one hundred twelve billion, three hundred thirty million, twenty thousand, eleven".