20110011100011 has 96 divisors (see below), whose sum is σ = 34122344256000. Its totient is φ = 11177035651584.

The previous prime is 20110011099989. The next prime is 20110011100037. The reversal of 20110011100011 is 11000111001102.

It is not a de Polignac number, because 20110011100011 - 2³¹ = 20107863616363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20110011099966 and 20110011100002.

It is not an unprimeable number, because it can be changed into a prime (20110016100011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 84833296 + ... + 85070018.

It is an arithmetic number, because the mean of its divisors is an integer number (355441086000).

Almost surely, 2^{20110011100011} is an apocalyptic number.

20110011100011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20110011100011 is a deficient number, since it is larger than the sum of its proper divisors (14012333155989).

20110011100011 is a wasteful number, since it uses less digits than its factorization.

20110011100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237073 (or 237070 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 20110011100011 its reverse (11000111001102), we get a palindrome (31110122101113).

The spelling of 20110011100011 in words is "twenty trillion, one hundred ten billion, eleven million, one hundred thousand, eleven".