10001022109 has 8 divisors (see below), whose sum is σ = 10774232280. Its totient is φ = 9228369216.

The previous prime is 10001022103. The next prime is 10001022113. The reversal of 10001022109 is 90122010001.

It can be written as a sum of positive squares in 4 ways, for example, as 2022084 + 9999000025 = 1422^2 + 99995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001022109 - 2¹¹ = 10001020061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001022092 and 10001022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001022103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101662 + ... + 174175.

It is an arithmetic number, because the mean of its divisors is an integer number (1346779035).

Almost surely, 2^10001022109 is an apocalyptic number.

It is an amenable number.

10001022109 is a deficient number, since it is larger than the sum of its proper divisors (773210171).

10001022109 is a wasteful number, since it uses less digits than its factorization.

10001022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278639.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 10001022109 in words is "ten billion, one million, twenty-two thousand, one hundred nine".