200000221100971 has 2 divisors, whose sum is σ = 200000221100972. Its totient is φ = 200000221100970.

The previous prime is 200000221100899. The next prime is 200000221101041. The reversal of 200000221100971 is 179001122000002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200000221100971 - 2⁷ = 200000221100843 is a prime.

It is not a weakly prime, because it can be changed into another prime (200000221100171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000110550485 + 100000110550486.

It is an arithmetic number, because the mean of its divisors is an integer number (100000110550486).

Almost surely, 2^{200000221100971} is an apocalyptic number.

200000221100971 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000221100971 is an equidigital number, since it uses as much as digits as its factorization.

200000221100971 is an evil number, because the sum of its binary digits is even.

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

Adding to 200000221100971 its reverse (179001122000002), we get a palindrome (379001343100973).

The spelling of 200000221100971 in words is "two hundred trillion, two hundred twenty-one million, one hundred thousand, nine hundred seventy-one".