11422421011 has 2 divisors, whose sum is σ = 11422421012. Its totient is φ = 11422421010.

The previous prime is 11422420993. The next prime is 11422421113. The reversal of 11422421011 is 11012422411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11422421011 - 2⁵ = 11422420979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11422421011.

It is not a weakly prime, because it can be changed into another prime (11422424011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711210505 + 5711210506.

It is an arithmetic number, because the mean of its divisors is an integer number (5711210506).

Almost surely, 2^11422421011 is an apocalyptic number.

11422421011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422421011 is an equidigital number, since it uses as much as digits as its factorization.

11422421011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11422421011 its reverse (11012422411), we get a palindrome (22434843422).

The spelling of 11422421011 in words is "eleven billion, four hundred twenty-two million, four hundred twenty-one thousand, eleven".