10001011109 has 4 divisors (see below), whose sum is σ = 10002338604. Its totient is φ = 9999683616.

The previous prime is 10001011103. The next prime is 10001011121. The reversal of 10001011109 is 90111010001.

It is a happy number.

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 412293025 + 9588718084 = 20305^2 + 97922^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001011109 - 2¹² = 10001007013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001011093 and 10001011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001011103) 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, 652382 + ... + 667535.

It is an arithmetic number, because the mean of its divisors is an integer number (2500584651).

Almost surely, 2^10001011109 is an apocalyptic number.

It is an amenable number.

10001011109 is a deficient number, since it is larger than the sum of its proper divisors (1327495).

10001011109 is an equidigital number, since it uses as much as digits as its factorization.

10001011109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327494.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 10001011109 in words is "ten billion, one million, eleven thousand, one hundred nine".