210110211210997 has 2 divisors, whose sum is σ = 210110211210998. Its totient is φ = 210110211210996.

The previous prime is 210110211210899. The next prime is 210110211211027. The reversal of 210110211210997 is 799012112011012.

210110211210997 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 can be written as a sum of positive squares in only one way, i.e., 202195858154481 + 7914353056516 = 14219559^2 + 2813246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210110211210997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210110211210197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055105605498 + 105055105605499.

It is an arithmetic number, because the mean of its divisors is an integer number (105055105605499).

Almost surely, 2^{210110211210997} is an apocalyptic number.

It is an amenable number.

210110211210997 is a deficient number, since it is larger than the sum of its proper divisors (1).

210110211210997 is an equidigital number, since it uses as much as digits as its factorization.

210110211210997 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 37.

The spelling of 210110211210997 in words is "two hundred ten trillion, one hundred ten billion, two hundred eleven million, two hundred ten thousand, nine hundred ninety-seven".