1000000210109 has 2 divisors, whose sum is σ = 1000000210110. Its totient is φ = 1000000210108.

The previous prime is 1000000210081. The next prime is 1000000210151. The reversal of 1000000210109 is 9010120000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937788876025 + 62211334084 = 968395^2 + 249422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000000210109 - 2³² = 995705242813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000000210093 and 1000000210102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000000210709) 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, 500000105054 + 500000105055.

It is an arithmetic number, because the mean of its divisors is an integer number (500000105055).

Almost surely, 2^{1000000210109} is an apocalyptic number.

It is an amenable number.

1000000210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000210109 is an equidigital number, since it uses as much as digits as its factorization.

1000000210109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 1000000210109 in words is "one trillion, two hundred ten thousand, one hundred nine".