11241112111 has 4 divisors (see below), whose sum is σ = 11303911800. Its totient is φ = 11178312424.

The previous prime is 11241112109. The next prime is 11241112123. The reversal of 11241112111 is 11121114211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11121114211 = 6421 ⋅1731991.

It is a cyclic number.

It is not a de Polignac number, because 11241112111 - 2¹ = 11241112109 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 (11241112711) 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, 31399576 + ... + 31399933.

It is an arithmetic number, because the mean of its divisors is an integer number (2825977950).

Almost surely, 2^11241112111 is an apocalyptic number.

11241112111 is a deficient number, since it is larger than the sum of its proper divisors (62799689).

11241112111 is an equidigital number, since it uses as much as digits as its factorization.

11241112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62799688.

The product of its digits is 16, while the sum is 16.

Adding to 11241112111 its reverse (11121114211), we get a palindrome (22362226322).

The spelling of 11241112111 in words is "eleven billion, two hundred forty-one million, one hundred twelve thousand, one hundred eleven".