111131041 has 4 divisors (see below), whose sum is σ = 127006912. Its totient is φ = 95255172.

The previous prime is 111131029. The next prime is 111131051. The reversal of 111131041 is 140131111.

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.

It is a cyclic number.

It is not a de Polignac number, because 111131041 - 2¹¹ = 111128993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111131051) 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, 7937925 + ... + 7937938.

It is an arithmetic number, because the mean of its divisors is an integer number (31751728).

Almost surely, 2^111131041 is an apocalyptic number.

It is an amenable number.

111131041 is a deficient number, since it is larger than the sum of its proper divisors (15875871).

111131041 is an equidigital number, since it uses as much as digits as its factorization.

111131041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15875870.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 111131041 is about 10541.8708491425. The cubic root of 111131041 is about 480.7785989244.

Adding to 111131041 its reverse (140131111), we get a palindrome (251262152).

The spelling of 111131041 in words is "one hundred eleven million, one hundred thirty-one thousand, forty-one".