2002201200191 has 2 divisors, whose sum is σ = 2002201200192. Its totient is φ = 2002201200190.

The previous prime is 2002201200163. The next prime is 2002201200199. The reversal of 2002201200191 is 1910021022002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002201200191 - 2¹⁸ = 2002200938047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002201200199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001100600095 + 1001100600096.

It is an arithmetic number, because the mean of its divisors is an integer number (1001100600096).

Almost surely, 2^{2002201200191} is an apocalyptic number.

2002201200191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002201200191 is an equidigital number, since it uses as much as digits as its factorization.

2002201200191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2002201200191 its reverse (1910021022002), we get a palindrome (3912222222193).

The spelling of 2002201200191 in words is "two trillion, two billion, two hundred one million, two hundred thousand, one hundred ninety-one".