201000200221871 has 2 divisors, whose sum is σ = 201000200221872. Its totient is φ = 201000200221870.

The previous prime is 201000200221829. The next prime is 201000200221901. The reversal of 201000200221871 is 178122002000102.

201000200221871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000200221871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201000200221871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000200221571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500100110935 + 100500100110936.

It is an arithmetic number, because the mean of its divisors is an integer number (100500100110936).

Almost surely, 2^{201000200221871} is an apocalyptic number.

201000200221871 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000200221871 is an equidigital number, since it uses as much as digits as its factorization.

201000200221871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 201000200221871 its reverse (178122002000102), we get a palindrome (379122202221973).

The spelling of 201000200221871 in words is "two hundred one trillion, two hundred million, two hundred twenty-one thousand, eight hundred seventy-one".