20112210000009 has 40 divisors (see below), whose sum is σ = 30229302882240. Its totient is φ = 13325575594464.

The previous prime is 20112209999977. The next prime is 20112210000061. The reversal of 20112210000009 is 90000001221102.

It is not a de Polignac number, because 20112210000009 - 2⁵ = 20112209999977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112209999946 and 20112210000000.

It is not an unprimeable number, because it can be changed into a prime (20112210000709) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36821302 + ... + 37363520.

It is an arithmetic number, because the mean of its divisors is an integer number (755732572056).

Almost surely, 2^{20112210000009} is an apocalyptic number.

It is an amenable number.

20112210000009 is a deficient number, since it is larger than the sum of its proper divisors (10117092882231).

20112210000009 is a wasteful number, since it uses less digits than its factorization.

20112210000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545051 (or 545042 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 20112210000009 in words is "twenty trillion, one hundred twelve billion, two hundred ten million, nine", and thus it is an aban number.