200121110010071 has 2 divisors, whose sum is σ = 200121110010072. Its totient is φ = 200121110010070.

The previous prime is 200121110010061. The next prime is 200121110010103. The reversal of 200121110010071 is 170010011121002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200121110010071 - 2³⁸ = 199846232103127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121110010061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060555005035 + 100060555005036.

It is an arithmetic number, because the mean of its divisors is an integer number (100060555005036).

Almost surely, 2^{200121110010071} is an apocalyptic number.

200121110010071 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121110010071 is an equidigital number, since it uses as much as digits as its factorization.

200121110010071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 200121110010071 its reverse (170010011121002), we get a palindrome (370131121131073).

The spelling of 200121110010071 in words is "two hundred trillion, one hundred twenty-one billion, one hundred ten million, ten thousand, seventy-one".