111141232113 has 4 divisors (see below), whose sum is σ = 148188309488. Its totient is φ = 74094154740.

The previous prime is 111141232093. The next prime is 111141232141. The reversal of 111141232113 is 311232141111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311232141111 = 3 ⋅103744047037.

It is not a de Polignac number, because 111141232113 - 2⁹ = 111141231601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111141232113.

It is not an unprimeable number, because it can be changed into a prime (111141232513) 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, 18523538683 + ... + 18523538688.

It is an arithmetic number, because the mean of its divisors is an integer number (37047077372).

Almost surely, 2^111141232113 is an apocalyptic number.

It is an amenable number.

111141232113 is a deficient number, since it is larger than the sum of its proper divisors (37047077375).

111141232113 is an equidigital number, since it uses as much as digits as its factorization.

111141232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37047077374.

The product of its digits is 144, while the sum is 21.

Adding to 111141232113 its reverse (311232141111), we get a palindrome (422373373224).

The spelling of 111141232113 in words is "one hundred eleven billion, one hundred forty-one million, two hundred thirty-two thousand, one hundred thirteen".