20110000101101 has 4 divisors (see below), whose sum is σ = 20122561002204. Its totient is φ = 20097439200000.

The previous prime is 20110000101097. The next prime is 20110000101131. The reversal of 20110000101101 is 10110100001102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13180522989001 + 6929477112100 = 3630499^2 + 2632390^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110000101101 - 2² = 20110000101097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110000101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6280448150 + ... + 6280451351.

It is an arithmetic number, because the mean of its divisors is an integer number (5030640250551).

Almost surely, 2^{20110000101101} is an apocalyptic number.

It is an amenable number.

20110000101101 is a deficient number, since it is larger than the sum of its proper divisors (12560901103).

20110000101101 is a wasteful number, since it uses less digits than its factorization.

20110000101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560901102.

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

Adding to 20110000101101 its reverse (10110100001102), we get a palindrome (30220100102203).

Subtracting from 20110000101101 its reverse (10110100001102), we obtain a palindrome (9999900099999).

The spelling of 20110000101101 in words is "twenty trillion, one hundred ten billion, one hundred one thousand, one hundred one".