2113312122209 has 8 divisors (see below), whose sum is σ = 2237887972008. Its totient is φ = 1988765536000.

The previous prime is 2113312122193. The next prime is 2113312122247. The reversal of 2113312122209 is 9022212133112.

It can be written as a sum of positive squares in 4 ways, for example, as 653141981584 + 1460170140625 = 808172^2 + 1208375^2 .

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

It is not a de Polignac number, because 2113312122209 - 2⁴ = 2113312122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113312122269) 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, 7167122 + ... + 7456155.

It is an arithmetic number, because the mean of its divisors is an integer number (279735996501).

Almost surely, 2^{2113312122209} is an apocalyptic number.

It is an amenable number.

2113312122209 is a deficient number, since it is larger than the sum of its proper divisors (124575849799).

2113312122209 is a wasteful number, since it uses less digits than its factorization.

2113312122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14631795.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 2113312122209 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, one hundred twenty-two thousand, two hundred nine".