20201110001101 has 4 divisors (see below), whose sum is σ = 20205997764732. Its totient is φ = 20196222237472.

The previous prime is 20201110001099. The next prime is 20201110001113. The reversal of 20201110001101 is 10110001110202.

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 18623548881001 + 1577561120100 = 4315501^2 + 1256010^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201110001101 - 2¹ = 20201110001099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201110001801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2443875616 + ... + 2443883881.

It is an arithmetic number, because the mean of its divisors is an integer number (5051499441183).

Almost surely, 2^{20201110001101} is an apocalyptic number.

It is an amenable number.

20201110001101 is a deficient number, since it is larger than the sum of its proper divisors (4887763631).

20201110001101 is an equidigital number, since it uses as much as digits as its factorization.

20201110001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887763630.

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

Adding to 20201110001101 its reverse (10110001110202), we get a palindrome (30311111111303).

The spelling of 20201110001101 in words is "twenty trillion, two hundred one billion, one hundred ten million, one thousand, one hundred one".