11141121113 has 4 divisors (see below), whose sum is σ = 11141479140. Its totient is φ = 11140763088.

The previous prime is 11141121073. The next prime is 11141121127. The reversal of 11141121113 is 31112114111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31112114111 = 13 ⋅2393239547.

It can be written as a sum of positive squares in 2 ways, for example, as 2807622169 + 8333498944 = 52987^2 + 91288^2 .

It is a cyclic number.

It is not a de Polignac number, because 11141121113 - 2¹² = 11141117017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11141121091 and 11141121100.

It is not an unprimeable number, because it can be changed into a prime (11141121613) 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, 127370 + ... + 196227.

It is an arithmetic number, because the mean of its divisors is an integer number (2785369785).

Almost surely, 2^11141121113 is an apocalyptic number.

It is an amenable number.

11141121113 is a deficient number, since it is larger than the sum of its proper divisors (358027).

11141121113 is an equidigital number, since it uses as much as digits as its factorization.

11141121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358026.

The product of its digits is 24, while the sum is 17.

Adding to 11141121113 its reverse (31112114111), we get a palindrome (42253235224).

The spelling of 11141121113 in words is "eleven billion, one hundred forty-one million, one hundred twenty-one thousand, one hundred thirteen".