210010111001 has 2 divisors, whose sum is σ = 210010111002. Its totient is φ = 210010111000.

The previous prime is 210010110943. The next prime is 210010111033. The reversal of 210010111001 is 100111010012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186693126400 + 23316984601 = 432080^2 + 152699^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010111001 - 2³⁰ = 208936369177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 210010111001.

It is not a weakly prime, because it can be changed into another prime (210010111301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005055500 + 105005055501.

It is an arithmetic number, because the mean of its divisors is an integer number (105005055501).

Almost surely, 2^210010111001 is an apocalyptic number.

It is an amenable number.

210010111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010111001 is an equidigital number, since it uses as much as digits as its factorization.

210010111001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 210010111001 its reverse (100111010012), we get a palindrome (310121121013).

The spelling of 210010111001 in words is "two hundred ten billion, ten million, one hundred eleven thousand, one".