210102001061 has 2 divisors, whose sum is σ = 210102001062. Its totient is φ = 210102001060.

The previous prime is 210102001033. The next prime is 210102001069. The reversal of 210102001061 is 160100201012.

210102001061 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., 189328544161 + 20773456900 = 435119^2 + 144130^2 .

It is a cyclic number.

It is not a de Polignac number, because 210102001061 - 2³⁴ = 192922131877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210102001069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051000530 + 105051000531.

It is an arithmetic number, because the mean of its divisors is an integer number (105051000531).

Almost surely, 2^210102001061 is an apocalyptic number.

It is an amenable number.

210102001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102001061 is an equidigital number, since it uses as much as digits as its factorization.

210102001061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210102001061 its reverse (160100201012), we get a palindrome (370202202073).

The spelling of 210102001061 in words is "two hundred ten billion, one hundred two million, one thousand, sixty-one".