11112122207 has 2 divisors, whose sum is σ = 11112122208. Its totient is φ = 11112122206.

The previous prime is 11112122191. The next prime is 11112122209. The reversal of 11112122207 is 70222121111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112122207 - 2⁴ = 11112122191 is a prime.

Together with 11112122209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112122209) 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, 5556061103 + 5556061104.

It is an arithmetic number, because the mean of its divisors is an integer number (5556061104).

Almost surely, 2^11112122207 is an apocalyptic number.

11112122207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112122207 is an equidigital number, since it uses as much as digits as its factorization.

11112122207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 11112122207 its reverse (70222121111), we get a palindrome (81334243318).

The spelling of 11112122207 in words is "eleven billion, one hundred twelve million, one hundred twenty-two thousand, two hundred seven".