20001100110011 has 2 divisors, whose sum is σ = 20001100110012. Its totient is φ = 20001100110010.

The previous prime is 20001100110007. The next prime is 20001100110053. The reversal of 20001100110011 is 11001100110002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001100110011 - 2² = 20001100110007 is a prime.

It is a super-3 number, since 3×20001100110011³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

20001100110011 is a modest number, since divided by 1100110011 gives 20 as remainder.

It is not a weakly prime, because it can be changed into another prime (20001100118011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000550055005 + 10000550055006.

It is an arithmetic number, because the mean of its divisors is an integer number (10000550055006).

Almost surely, 2^{20001100110011} is an apocalyptic number.

20001100110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001100110011 is an equidigital number, since it uses as much as digits as its factorization.

20001100110011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 20001100110011 its reverse (11001100110002), we get a palindrome (31002200220013).

Subtracting from 20001100110011 its reverse (11001100110002), we obtain a palindrome (9000000000009).

The spelling of 20001100110011 in words is "twenty trillion, one billion, one hundred million, one hundred ten thousand, eleven".