11113111131201 has 8 divisors (see below), whose sum is σ = 16463868342560. Its totient is φ = 7408740754116.

The previous prime is 11113111131191. The next prime is 11113111131233. The reversal of 11113111131201 is 10213111131111.

It is a happy number.

11113111131201 is a `hidden beast` number, since 1 + 111 + 311 + 11 + 31 + 201 = 666.

It is not a de Polignac number, because 11113111131201 - 2⁶ = 11113111131137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113111131271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205798354255 + ... + 205798354308.

It is an arithmetic number, because the mean of its divisors is an integer number (2057983542820).

Almost surely, 2^{11113111131201} is an apocalyptic number.

It is an amenable number.

11113111131201 is a deficient number, since it is larger than the sum of its proper divisors (5350757211359).

11113111131201 is an equidigital number, since it uses as much as digits as its factorization.

11113111131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411596708572 (or 411596708566 counting only the distinct ones).

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

Adding to 11113111131201 its reverse (10213111131111), we get a palindrome (21326222262312).

The spelling of 11113111131201 in words is "eleven trillion, one hundred thirteen billion, one hundred eleven million, one hundred thirty-one thousand, two hundred one".