200220101971 has 2 divisors, whose sum is σ = 200220101972. Its totient is φ = 200220101970.

The previous prime is 200220101953. The next prime is 200220101999. The reversal of 200220101971 is 179101022002.

200220101971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200220101971 - 2²³ = 200211713363 is a prime.

It is not a weakly prime, because it can be changed into another prime (200220101911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110050985 + 100110050986.

It is an arithmetic number, because the mean of its divisors is an integer number (100110050986).

Almost surely, 2^200220101971 is an apocalyptic number.

200220101971 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220101971 is an equidigital number, since it uses as much as digits as its factorization.

200220101971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 200220101971 its reverse (179101022002), we get a palindrome (379321123973).

The spelling of 200220101971 in words is "two hundred billion, two hundred twenty million, one hundred one thousand, nine hundred seventy-one".