20201011001103 has 4 divisors (see below), whose sum is σ = 26934681334808. Its totient is φ = 13467340667400.

The previous prime is 20201011001057. The next prime is 20201011001117. The reversal of 20201011001103 is 30110011010202.

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

It is not a de Polignac number, because 20201011001103 - 2¹⁷ = 20201010870031 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 (20201011001203) 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, 3366835166848 + ... + 3366835166853.

It is an arithmetic number, because the mean of its divisors is an integer number (6733670333702).

Almost surely, 2^{20201011001103} is an apocalyptic number.

20201011001103 is a deficient number, since it is larger than the sum of its proper divisors (6733670333705).

20201011001103 is an equidigital number, since it uses as much as digits as its factorization.

20201011001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733670333704.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 20201011001103 its reverse (30110011010202), we get a palindrome (50311022011305).

Subtracting 20201011001103 from its reverse (30110011010202), we obtain a palindrome (9909000009099).

The spelling of 20201011001103 in words is "twenty trillion, two hundred one billion, eleven million, one thousand, one hundred three".