20201102403101 has 4 divisors (see below), whose sum is σ = 20201182757052. Its totient is φ = 20201022049152.

The previous prime is 20201102403089. The next prime is 20201102403121. The reversal of 20201102403101 is 10130420110202.

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 15132885790201 + 5068216612900 = 3890101^2 + 2251270^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201102403101 - 2¹⁰ = 20201102402077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201102403101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201102403121) 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, 39798686 + ... + 40303071.

It is an arithmetic number, because the mean of its divisors is an integer number (5050295689263).

Almost surely, 2^{20201102403101} is an apocalyptic number.

It is an amenable number.

20201102403101 is a deficient number, since it is larger than the sum of its proper divisors (80353951).

20201102403101 is an equidigital number, since it uses as much as digits as its factorization.

20201102403101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80353950.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20201102403101 its reverse (10130420110202), we get a palindrome (30331522513303).

The spelling of 20201102403101 in words is "twenty trillion, two hundred one billion, one hundred two million, four hundred three thousand, one hundred one".