199911301 has 2 divisors, whose sum is σ = 199911302. Its totient is φ = 199911300.

The previous prime is 199911289. The next prime is 199911307. The reversal of 199911301 is 103119991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186295201 + 13616100 = 13649^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 199911301 - 2⁵ = 199911269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199911307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99955650 + 99955651.

It is an arithmetic number, because the mean of its divisors is an integer number (99955651).

Almost surely, 2^199911301 is an apocalyptic number.

It is an amenable number.

199911301 is a deficient number, since it is larger than the sum of its proper divisors (1).

199911301 is an equidigital number, since it uses as much as digits as its factorization.

199911301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 34.

The square root of 199911301 is about 14138.9992927364. Note that the first 3 decimals coincide. The cubic root of 199911301 is about 584.7170823759.

The spelling of 199911301 in words is "one hundred ninety-nine million, nine hundred eleven thousand, three hundred one".