1122165716209 has 4 divisors (see below), whose sum is σ = 1122902530416. Its totient is φ = 1121428902004.

The previous prime is 1122165716207. The next prime is 1122165716219. The reversal of 1122165716209 is 9026175612211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122165716209 - 2¹ = 1122165716207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122165716207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368404819 + ... + 368407864.

It is an arithmetic number, because the mean of its divisors is an integer number (280725632604).

Almost surely, 2^{1122165716209} is an apocalyptic number.

It is an amenable number.

1122165716209 is a deficient number, since it is larger than the sum of its proper divisors (736814207).

1122165716209 is an equidigital number, since it uses as much as digits as its factorization.

1122165716209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736814206.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 1122165716209 in words is "one trillion, one hundred twenty-two billion, one hundred sixty-five million, seven hundred sixteen thousand, two hundred nine".