1010200120217 has 2 divisors, whose sum is σ = 1010200120218. Its totient is φ = 1010200120216.

The previous prime is 1010200120207. The next prime is 1010200120247. The reversal of 1010200120217 is 7120210020101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522578626816 + 487621493401 = 722896^2 + 698299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010200120217 - 2³⁸ = 735322213273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010200120195 and 1010200120204.

It is not a weakly prime, because it can be changed into another prime (1010200120207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505100060108 + 505100060109.

It is an arithmetic number, because the mean of its divisors is an integer number (505100060109).

Almost surely, 2^{1010200120217} is an apocalyptic number.

It is an amenable number.

1010200120217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010200120217 is an equidigital number, since it uses as much as digits as its factorization.

1010200120217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1010200120217 its reverse (7120210020101), we get a palindrome (8130410140318).

The spelling of 1010200120217 in words is "one trillion, ten billion, two hundred million, one hundred twenty thousand, two hundred seventeen".