20011101100110 has 48 divisors (see below), whose sum is σ = 52045281671760. Its totient is φ = 5334609646080.

The previous prime is 20011101100061. The next prime is 20011101100129. The reversal of 20011101100110 is 1100110111002.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20011101100092 and 20011101100101.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 34796136 + ... + 35366555.

It is an arithmetic number, because the mean of its divisors is an integer number (1084276701495).

Almost surely, 2^{20011101100110} is an apocalyptic number.

20011101100110 is an abundant number, since it is smaller than the sum of its proper divisors (32034180571650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011101100110 is a wasteful number, since it uses less digits than its factorization.

20011101100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70165873 (or 70165870 counting only the distinct ones).

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

Adding to 20011101100110 its reverse (1100110111002), we get a palindrome (21111211211112).

The spelling of 20011101100110 in words is "twenty trillion, eleven billion, one hundred one million, one hundred thousand, one hundred ten".