210010211020997 has 2 divisors, whose sum is σ = 210010211020998. Its totient is φ = 210010211020996.

The previous prime is 210010211020963. The next prime is 210010211021047. The reversal of 210010211020997 is 799020112010012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156037297437121 + 53972913583876 = 12491489^2 + 7346626^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010211020997 - 2¹⁸ = 210010210758853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010211020397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005105510498 + 105005105510499.

It is an arithmetic number, because the mean of its divisors is an integer number (105005105510499).

Almost surely, 2^{210010211020997} is an apocalyptic number.

It is an amenable number.

210010211020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010211020997 is an equidigital number, since it uses as much as digits as its factorization.

210010211020997 is an evil number, because the sum of its binary digits is even.

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

The spelling of 210010211020997 in words is "two hundred ten trillion, ten billion, two hundred eleven million, twenty thousand, nine hundred ninety-seven".