11222112667 has 2 divisors, whose sum is σ = 11222112668. Its totient is φ = 11222112666.

The previous prime is 11222112637. The next prime is 11222112701. The reversal of 11222112667 is 76621122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222112667 - 2¹⁹ = 11221588379 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222112637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611056333 + 5611056334.

It is an arithmetic number, because the mean of its divisors is an integer number (5611056334).

Almost surely, 2^11222112667 is an apocalyptic number.

11222112667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222112667 is an equidigital number, since it uses as much as digits as its factorization.

11222112667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

Adding to 11222112667 its reverse (76621122211), we get a palindrome (87843234878).

The spelling of 11222112667 in words is "eleven billion, two hundred twenty-two million, one hundred twelve thousand, six hundred sixty-seven".