2112002022009 has 16 divisors (see below), whose sum is σ = 3102418816704. Its totient is φ = 1267327944000.

The previous prime is 2112002022007. The next prime is 2112002022017. The reversal of 2112002022009 is 9002202002112.

It is a happy number.

It is not a de Polignac number, because 2112002022009 - 2¹ = 2112002022007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112002022007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316828654 + ... + 316835319.

It is an arithmetic number, because the mean of its divisors is an integer number (193901176044).

Almost surely, 2^{2112002022009} is an apocalyptic number.

It is an amenable number.

2112002022009 is a deficient number, since it is larger than the sum of its proper divisors (990416794695).

2112002022009 is a wasteful number, since it uses less digits than its factorization.

2112002022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633664088.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 2112002022009 in words is "two trillion, one hundred twelve billion, two million, twenty-two thousand, nine".