11101422427 has 2 divisors, whose sum is σ = 11101422428. Its totient is φ = 11101422426.

The previous prime is 11101422421. The next prime is 11101422457. The reversal of 11101422427 is 72422410111.

It is a happy number.

11101422427 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 an emirp because it is prime and its reverse (72422410111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101422427 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101422421) 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, 5550711213 + 5550711214.

It is an arithmetic number, because the mean of its divisors is an integer number (5550711214).

Almost surely, 2^11101422427 is an apocalyptic number.

11101422427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101422427 is an equidigital number, since it uses as much as digits as its factorization.

11101422427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 11101422427 its reverse (72422410111), we get a palindrome (83523832538).

The spelling of 11101422427 in words is "eleven billion, one hundred one million, four hundred twenty-two thousand, four hundred twenty-seven".