200201021191 has 2 divisors, whose sum is σ = 200201021192. Its totient is φ = 200201021190.

The previous prime is 200201021179. The next prime is 200201021197. The reversal of 200201021191 is 191120102002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200201021191 - 2⁷ = 200201021063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200201021197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100510595 + 100100510596.

It is an arithmetic number, because the mean of its divisors is an integer number (100100510596).

Almost surely, 2^200201021191 is an apocalyptic number.

200201021191 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201021191 is an equidigital number, since it uses as much as digits as its factorization.

200201021191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 200201021191 its reverse (191120102002), we get a palindrome (391321123193).

The spelling of 200201021191 in words is "two hundred billion, two hundred one million, twenty-one thousand, one hundred ninety-one".