111132361 has 4 divisors (see below), whose sum is σ = 113229252. Its totient is φ = 109035472.

The previous prime is 111132347. The next prime is 111132377. The reversal of 111132361 is 163231111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84548025 + 26584336 = 9195^2 + 5156^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132361 - 2⁹ = 111131849 is a prime.

It is a super-2 number, since 2×111132361² = 24700803322868642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111132331) 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, 1048366 + ... + 1048471.

It is an arithmetic number, because the mean of its divisors is an integer number (28307313).

Almost surely, 2^111132361 is an apocalyptic number.

It is an amenable number.

111132361 is a deficient number, since it is larger than the sum of its proper divisors (2096891).

111132361 is an equidigital number, since it uses as much as digits as its factorization.

111132361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096890.

The product of its digits is 108, while the sum is 19.

The square root of 111132361 is about 10541.9334564396. The cubic root of 111132361 is about 480.7805024587.

Adding to 111132361 its reverse (163231111), we get a palindrome (274363472).

The spelling of 111132361 in words is "one hundred eleven million, one hundred thirty-two thousand, three hundred sixty-one".