111192097 has 6 divisors (see below), whose sum is σ = 116237282. Its totient is φ = 106357152.

The previous prime is 111192079. The next prime is 111192131. The reversal of 111192097 is 790291111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77598481 + 33593616 = 8809^2 + 5796^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111192097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111192007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104568 + ... + 105625.

Almost surely, 2^111192097 is an apocalyptic number.

It is an amenable number.

111192097 is a deficient number, since it is larger than the sum of its proper divisors (5045185).

111192097 is an equidigital number, since it uses as much as digits as its factorization.

111192097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210239 (or 210216 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 31.

The square root of 111192097 is about 10544.7663321669. The cubic root of 111192097 is about 480.8666302662.

The spelling of 111192097 in words is "one hundred eleven million, one hundred ninety-two thousand, ninety-seven".