2212111169 has 2 divisors, whose sum is σ = 2212111170. Its totient is φ = 2212111168.

The previous prime is 2212111151. The next prime is 2212111183. The reversal of 2212111169 is 9611112122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2158996225 + 53114944 = 46465^2 + 7288^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212111169 - 2²⁰ = 2211062593 is a prime.

It is a super-2 number, since 2×2212111169² = 9786871648029093122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2212111969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106055584 + 1106055585.

It is an arithmetic number, because the mean of its divisors is an integer number (1106055585).

Almost surely, 2^2212111169 is an apocalyptic number.

It is an amenable number.

2212111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212111169 is an equidigital number, since it uses as much as digits as its factorization.

2212111169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 26.

The square root of 2212111169 is about 47033.0858970576. The cubic root of 2212111169 is about 1302.9736992983.

The spelling of 2212111169 in words is "two billion, two hundred twelve million, one hundred eleven thousand, one hundred sixty-nine".