201113202197 has 2 divisors, whose sum is σ = 201113202198. Its totient is φ = 201113202196.

The previous prime is 201113202193. The next prime is 201113202211. The reversal of 201113202197 is 791202311102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164295651556 + 36817550641 = 405334^2 + 191879^2 .

It is a cyclic number.

It is not a de Polignac number, because 201113202197 - 2² = 201113202193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201113202193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556601098 + 100556601099.

It is an arithmetic number, because the mean of its divisors is an integer number (100556601099).

Almost surely, 2^201113202197 is an apocalyptic number.

It is an amenable number.

201113202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

201113202197 is an equidigital number, since it uses as much as digits as its factorization.

201113202197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

Adding to 201113202197 its reverse (791202311102), we get a palindrome (992315513299).

The spelling of 201113202197 in words is "two hundred one billion, one hundred thirteen million, two hundred two thousand, one hundred ninety-seven".