111140411243 has 4 divisors (see below), whose sum is σ = 111248210928. Its totient is φ = 111032611560.

The previous prime is 111140411231. The next prime is 111140411269. The reversal of 111140411243 is 342114041111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342114041111 = 83 ⋅4121855917.

It is a cyclic number.

It is not a de Polignac number, because 111140411243 - 2⁴ = 111140411227 is a prime.

It is a super-2 number, since 2×111140411243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111140411293) 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, 53898296 + ... + 53900357.

It is an arithmetic number, because the mean of its divisors is an integer number (27812052732).

Almost surely, 2^111140411243 is an apocalyptic number.

111140411243 is a deficient number, since it is larger than the sum of its proper divisors (107799685).

111140411243 is a wasteful number, since it uses less digits than its factorization.

111140411243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107799684.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 111140411243 its reverse (342114041111), we get a palindrome (453254452354).

The spelling of 111140411243 in words is "one hundred eleven billion, one hundred forty million, four hundred eleven thousand, two hundred forty-three".