200211101021171 has 2 divisors, whose sum is σ = 200211101021172. Its totient is φ = 200211101021170.

The previous prime is 200211101021159. The next prime is 200211101021231. The reversal of 200211101021171 is 171120101112002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200211101021171 - 2³⁸ = 199936223114227 is a prime.

It is a super-2 number, since 2×200211101021171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200211101021101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105550510585 + 100105550510586.

It is an arithmetic number, because the mean of its divisors is an integer number (100105550510586).

Almost surely, 2^{200211101021171} is an apocalyptic number.

200211101021171 is a deficient number, since it is larger than the sum of its proper divisors (1).

200211101021171 is an equidigital number, since it uses as much as digits as its factorization.

200211101021171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 200211101021171 its reverse (171120101112002), we get a palindrome (371331202133173).

The spelling of 200211101021171 in words is "two hundred trillion, two hundred eleven billion, one hundred one million, twenty-one thousand, one hundred seventy-one".