2112402211009 has 2 divisors, whose sum is σ = 2112402211010. Its totient is φ = 2112402211008.

The previous prime is 2112402210977. The next prime is 2112402211043. The reversal of 2112402211009 is 9001122042112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111653641409 + 748569600 = 1453153^2 + 27360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112402211009 - 2⁵ = 2112402210977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112402211609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056201105504 + 1056201105505.

It is an arithmetic number, because the mean of its divisors is an integer number (1056201105505).

Almost surely, 2^{2112402211009} is an apocalyptic number.

It is an amenable number.

2112402211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112402211009 is an equidigital number, since it uses as much as digits as its factorization.

2112402211009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 2112402211009 in words is "two trillion, one hundred twelve billion, four hundred two million, two hundred eleven thousand, nine".