200100221019917 has 2 divisors, whose sum is σ = 200100221019918. Its totient is φ = 200100221019916.

The previous prime is 200100221019901. The next prime is 200100221020027. The reversal of 200100221019917 is 719910122001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149063856507241 + 51036364512676 = 12209171^2 + 7143974^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100221019917 - 2⁴ = 200100221019901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200100229019917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050110509958 + 100050110509959.

It is an arithmetic number, because the mean of its divisors is an integer number (100050110509959).

Almost surely, 2^{200100221019917} is an apocalyptic number.

It is an amenable number.

200100221019917 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100221019917 is an equidigital number, since it uses as much as digits as its factorization.

200100221019917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 200100221019917 in words is "two hundred trillion, one hundred billion, two hundred twenty-one million, nineteen thousand, nine hundred seventeen".