111002241 has 16 divisors (see below), whose sum is σ = 170893184. Its totient is φ = 62774784.

The previous prime is 111002239. The next prime is 111002251. The reversal of 111002241 is 142200111.

It is a happy number.

It is not a de Polignac number, because 111002241 - 2¹ = 111002239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111002201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25210 + ... + 29283.

It is an arithmetic number, because the mean of its divisors is an integer number (10680824).

Almost surely, 2^111002241 is an apocalyptic number.

It is an amenable number.

111002241 is a deficient number, since it is larger than the sum of its proper divisors (59890943).

111002241 is an equidigital number, since it uses as much as digits as its factorization.

111002241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54600.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111002241 is about 10535.7601054694. The cubic root of 111002241 is about 480.5927875866.

Adding to 111002241 its reverse (142200111), we get a palindrome (253202352).

The spelling of 111002241 in words is "one hundred eleven million, two thousand, two hundred forty-one".