101001000985 has 4 divisors (see below), whose sum is σ = 121201201188. Its totient is φ = 80800800784.

The previous prime is 101001000979. The next prime is 101001001019. The reversal of 101001000985 is 589000100101.

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 76255508736 + 24745492249 = 276144^2 + 157307^2 .

It is a cyclic number.

It is not a de Polignac number, because 101001000985 - 2¹³ = 101000992793 is a prime.

It is a Duffinian 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, 10100100094 + ... + 10100100103.

It is an arithmetic number, because the mean of its divisors is an integer number (30300300297).

Almost surely, 2^101001000985 is an apocalyptic number.

It is an amenable number.

101001000985 is a deficient number, since it is larger than the sum of its proper divisors (20200200203).

101001000985 is an equidigital number, since it uses as much as digits as its factorization.

101001000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200200202.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 101001000985 in words is "one hundred one billion, one million, nine hundred eighty-five", and thus it is an aban number.