20113144101 has 10 divisors (see below), whose sum is σ = 30045561062. Its totient is φ = 13408762680.

The previous prime is 20113144061. The next prime is 20113144111. The reversal of 20113144101 is 10144131102.

It can be written as a sum of positive squares in only one way, i.e., 20001313476 + 111830625 = 141426^2 + 10575^2 .

It is not a de Polignac number, because 20113144101 - 2¹¹ = 20113142053 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 (20113144111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124155130 + ... + 124155291.

Almost surely, 2^20113144101 is an apocalyptic number.

It is an amenable number.

20113144101 is a deficient number, since it is larger than the sum of its proper divisors (9932416961).

20113144101 is an equidigital number, since it uses as much as digits as its factorization.

20113144101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248310433 (or 248310424 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20113144101 its reverse (10144131102), we get a palindrome (30257275203).

The spelling of 20113144101 in words is "twenty billion, one hundred thirteen million, one hundred forty-four thousand, one hundred one".