2112333235409 has 2 divisors, whose sum is σ = 2112333235410. Its totient is φ = 2112333235408.

The previous prime is 2112333235403. The next prime is 2112333235423. The reversal of 2112333235409 is 9045323332112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067636933184 + 44696302225 = 1437928^2 + 211415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112333235409 - 2²⁴ = 2112316458193 is a prime.

It is a super-2 number, since 2×2112333235409² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112333235403) 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, 1056166617704 + 1056166617705.

It is an arithmetic number, because the mean of its divisors is an integer number (1056166617705).

Almost surely, 2^{2112333235409} is an apocalyptic number.

It is an amenable number.

2112333235409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112333235409 is an equidigital number, since it uses as much as digits as its factorization.

2112333235409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 2112333235409 in words is "two trillion, one hundred twelve billion, three hundred thirty-three million, two hundred thirty-five thousand, four hundred nine".