20110110200011 has 4 divisors (see below), whose sum is σ = 21657041753872. Its totient is φ = 18563178646152.

The previous prime is 20110110199981. The next prime is 20110110200107. The reversal of 20110110200011 is 11000201101102.

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 20110110200011 - 2⁵ = 20110110199979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110110200111) 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, 773465776911 + ... + 773465776936.

It is an arithmetic number, because the mean of its divisors is an integer number (5414260438468).

Almost surely, 2^{20110110200011} is an apocalyptic number.

20110110200011 is a deficient number, since it is larger than the sum of its proper divisors (1546931553861).

20110110200011 is a wasteful number, since it uses less digits than its factorization.

20110110200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546931553860.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20110110200011 its reverse (11000201101102), we get a palindrome (31110311301113).

The spelling of 20110110200011 in words is "twenty trillion, one hundred ten billion, one hundred ten million, two hundred thousand, eleven".