10001010109 has 4 divisors (see below), whose sum is σ = 10104113404. Its totient is φ = 9897906816.

The previous prime is 10001010079. The next prime is 10001010113. The reversal of 10001010109 is 90101010001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90101010001 = 197 ⋅457365533.

It can be written as a sum of positive squares in 2 ways, for example, as 2034912100 + 7966098009 = 45110^2 + 89253^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001010109 - 2²⁷ = 9866792381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001010139) 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, 51551502 + ... + 51551695.

It is an arithmetic number, because the mean of its divisors is an integer number (2526028351).

Almost surely, 2^10001010109 is an apocalyptic number.

It is an amenable number.

10001010109 is a deficient number, since it is larger than the sum of its proper divisors (103103295).

10001010109 is an equidigital number, since it uses as much as digits as its factorization.

10001010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103103294.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 10001010109 in words is "ten billion, one million, ten thousand, one hundred nine".