2112011020209 has 8 divisors (see below), whose sum is σ = 2819888169280. Its totient is φ = 1406070608976.

The previous prime is 2112011020201. The next prime is 2112011020271. The reversal of 2112011020209 is 9020201102112.

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

It is not a de Polignac number, because 2112011020209 - 2³ = 2112011020201 is a prime.

It is a super-2 number, since 2×2112011020209² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112011020201) 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, 484181914 + ... + 484186275.

It is an arithmetic number, because the mean of its divisors is an integer number (352486021160).

Almost surely, 2^{2112011020209} is an apocalyptic number.

It is an amenable number.

2112011020209 is a deficient number, since it is larger than the sum of its proper divisors (707877149071).

2112011020209 is an equidigital number, since it uses as much as digits as its factorization.

2112011020209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968368919.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 2112011020209 in words is "two trillion, one hundred twelve billion, eleven million, twenty thousand, two hundred nine".