111000212022209 has 2 divisors, whose sum is σ = 111000212022210. Its totient is φ = 111000212022208.

The previous prime is 111000212022169. The next prime is 111000212022221. The reversal of 111000212022209 is 902220212000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103111433184400 + 7888778837809 = 10154380^2 + 2808697^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000212022209 - 2²⁰ = 111000210973633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111000212022269) 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 as a sum of consecutive naturals, namely, 55500106011104 + 55500106011105.

It is an arithmetic number, because the mean of its divisors is an integer number (55500106011105).

Almost surely, 2^{111000212022209} is an apocalyptic number.

It is an amenable number.

111000212022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000212022209 is an equidigital number, since it uses as much as digits as its factorization.

111000212022209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 111000212022209 in words is "one hundred eleven trillion, two hundred twelve million, twenty-two thousand, two hundred nine".