111612241 has 8 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 102943632.

The previous prime is 111612211. The next prime is 111612257. The reversal of 111612241 is 142216111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111612241 - 2²³ = 103223633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111612211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18396 + ... + 23698.

It is an arithmetic number, because the mean of its divisors is an integer number (15036840).

Almost surely, 2^111612241 is an apocalyptic number.

It is an amenable number.

111612241 is a deficient number, since it is larger than the sum of its proper divisors (8682479).

111612241 is a wasteful number, since it uses less digits than its factorization.

111612241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935.

The product of its digits is 96, while the sum is 19.

The square root of 111612241 is about 10564.6694695102. The cubic root of 111612241 is about 481.4715272690.

Adding to 111612241 its reverse (142216111), we get a palindrome (253828352).

The spelling of 111612241 in words is "one hundred eleven million, six hundred twelve thousand, two hundred forty-one".