1001010010085 has 4 divisors (see below), whose sum is σ = 1201212012108. Its totient is φ = 800808008064.

The previous prime is 1001010010079. The next prime is 1001010010093. The reversal of 1001010010085 is 5800100101001.

1001010010085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 369178975201 + 631831034884 = 607601^2 + 794878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001010010085 - 2⁸ = 1001010009829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100101001004 + ... + 100101001013.

It is an arithmetic number, because the mean of its divisors is an integer number (300303003027).

Almost surely, 2^{1001010010085} is an apocalyptic number.

It is an amenable number.

1001010010085 is a deficient number, since it is larger than the sum of its proper divisors (200202002023).

1001010010085 is an equidigital number, since it uses as much as digits as its factorization.

1001010010085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200202002022.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1001010010085 its reverse (5800100101001), we get a palindrome (6801110111086).

The spelling of 1001010010085 in words is "one trillion, one billion, ten million, ten thousand, eighty-five".