1001020011017 has 4 divisors (see below), whose sum is σ = 1078021550340. Its totient is φ = 924018471696.

The previous prime is 1001020011011. The next prime is 1001020011073. The reversal of 1001020011017 is 7101100201001.

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 238421264656 + 762598746361 = 488284^2 + 873269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001020011017 - 2⁴ = 1001020011001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001020010992 and 1001020011010.

It is not an unprimeable number, because it can be changed into a prime (1001020011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38500769642 + ... + 38500769667.

It is an arithmetic number, because the mean of its divisors is an integer number (269505387585).

Almost surely, 2^{1001020011017} is an apocalyptic number.

It is an amenable number.

1001020011017 is a deficient number, since it is larger than the sum of its proper divisors (77001539323).

1001020011017 is an equidigital number, since it uses as much as digits as its factorization.

1001020011017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77001539322.

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

Adding to 1001020011017 its reverse (7101100201001), we get a palindrome (8102120212018).

The spelling of 1001020011017 in words is "one trillion, one billion, twenty million, eleven thousand, seventeen".