20131113022101 has 6 divisors (see below), whose sum is σ = 29078274365270. Its totient is φ = 13420742014728.

The previous prime is 20131113022073. The next prime is 20131113022127. The reversal of 20131113022101 is 10122031113102.

20131113022101 is a `hidden beast` number, since 2 + 0 + 1 + 311 + 130 + 221 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13374570579876 + 6756542442225 = 3657126^2 + 2599335^2 .

It is not a de Polignac number, because 20131113022101 - 2¹⁰ = 20131113021077 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 (20131113022171) 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 5 ways as a sum of consecutive naturals, for example, 1118395167886 + ... + 1118395167903.

Almost surely, 2^{20131113022101} is an apocalyptic number.

It is an amenable number.

20131113022101 is a deficient number, since it is larger than the sum of its proper divisors (8947161343169).

20131113022101 is a wasteful number, since it uses less digits than its factorization.

20131113022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236790335795 (or 2236790335792 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20131113022101 its reverse (10122031113102), we get a palindrome (30253144135203).

The spelling of 20131113022101 in words is "twenty trillion, one hundred thirty-one billion, one hundred thirteen million, twenty-two thousand, one hundred one".