111201041 has 6 divisors (see below), whose sum is σ = 129356370. Its totient is φ = 95315136.

The previous prime is 111201023. The next prime is 111201043. The reversal of 111201041 is 140102111.

It can be written as a sum of positive squares in only one way, i.e., 98803600 + 12397441 = 9940^2 + 3521^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111201041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134656 + ... + 1134753.

It is an arithmetic number, because the mean of its divisors is an integer number (21559395).

Almost surely, 2^111201041 is an apocalyptic number.

It is an amenable number.

111201041 is a deficient number, since it is larger than the sum of its proper divisors (18155329).

111201041 is an equidigital number, since it uses as much as digits as its factorization.

111201041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269423 (or 2269416 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 111201041 is about 10545.1904202817. The cubic root of 111201041 is about 480.8795231364.

Adding to 111201041 its reverse (140102111), we get a palindrome (251303152).

The spelling of 111201041 in words is "one hundred eleven million, two hundred one thousand, forty-one".