111231241 has 4 divisors (see below), whose sum is σ = 121343184. Its totient is φ = 101119300.

The previous prime is 111231233. The next prime is 111231247. The reversal of 111231241 is 142132111.

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 111231241 - 2³ = 111231233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111231247) 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, 5055955 + ... + 5055976.

It is an arithmetic number, because the mean of its divisors is an integer number (30335796).

Almost surely, 2^111231241 is an apocalyptic number.

111231241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111231241 is a deficient number, since it is larger than the sum of its proper divisors (10111943).

111231241 is a wasteful number, since it uses less digits than its factorization.

111231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111942.

The product of its digits is 48, while the sum is 16.

The square root of 111231241 is about 10546.6222554901. The cubic root of 111231241 is about 480.9230516471.

Adding to 111231241 its reverse (142132111), we get a palindrome (253363352).

The spelling of 111231241 in words is "one hundred eleven million, two hundred thirty-one thousand, two hundred forty-one".