11202197 has 4 divisors (see below), whose sum is σ = 11210796. Its totient is φ = 11193600.

The previous prime is 11202187. The next prime is 11202209. The reversal of 11202197 is 79120211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79120211 = 199 ⋅397589.

It can be written as a sum of positive squares in 2 ways, for example, as 8532241 + 2669956 = 2921^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202197 - 2⁴ = 11202181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202187) 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, 1898 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (2802699).

Almost surely, 2^11202197 is an apocalyptic number.

It is an amenable number.

11202197 is a deficient number, since it is larger than the sum of its proper divisors (8599).

11202197 is an equidigital number, since it uses as much as digits as its factorization.

11202197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598.

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

The square root of 11202197 is about 3346.9683296978. The cubic root of 11202197 is about 223.7524169813.

The spelling of 11202197 in words is "eleven million, two hundred two thousand, one hundred ninety-seven".