11112211267 has 2 divisors, whose sum is σ = 11112211268. Its totient is φ = 11112211266.

The previous prime is 11112211259. The next prime is 11112211277. The reversal of 11112211267 is 76211221111.

It is a happy number.

11112211267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112211267 - 2³ = 11112211259 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112211277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556105633 + 5556105634.

It is an arithmetic number, because the mean of its divisors is an integer number (5556105634).

Almost surely, 2^11112211267 is an apocalyptic number.

11112211267 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112211267 is an equidigital number, since it uses as much as digits as its factorization.

11112211267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 25.

Adding to 11112211267 its reverse (76211221111), we get a palindrome (87323432378).

The spelling of 11112211267 in words is "eleven billion, one hundred twelve million, two hundred eleven thousand, two hundred sixty-seven".