111202097 has 4 divisors (see below), whose sum is σ = 111598116. Its totient is φ = 110806080.

The previous prime is 111202087. The next prime is 111202103. The reversal of 111202097 is 790202111.

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 61089856 + 50112241 = 7816^2 + 7079^2 .

It is a cyclic number.

It is not a de Polignac number, because 111202097 - 2⁴ = 111202081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197588 + ... + 198149.

It is an arithmetic number, because the mean of its divisors is an integer number (27899529).

Almost surely, 2^111202097 is an apocalyptic number.

It is an amenable number.

111202097 is a deficient number, since it is larger than the sum of its proper divisors (396019).

111202097 is an equidigital number, since it uses as much as digits as its factorization.

111202097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396018.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 111202097 is about 10545.2404903824. The cubic root of 111202097 is about 480.8810453259.

The spelling of 111202097 in words is "one hundred eleven million, two hundred two thousand, ninety-seven".