11041422421 has 2 divisors, whose sum is σ = 11041422422. Its totient is φ = 11041422420.

The previous prime is 11041422419. The next prime is 11041422433. The reversal of 11041422421 is 12422414011.

11041422421 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 can be written as a sum of positive squares in only one way, i.e., 10913980900 + 127441521 = 104470^2 + 11289^2 .

It is a cyclic number.

It is not a de Polignac number, because 11041422421 - 2¹ = 11041422419 is a prime.

Together with 11041422419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11041422392 and 11041422401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11041422461) 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, 5520711210 + 5520711211.

It is an arithmetic number, because the mean of its divisors is an integer number (5520711211).

Almost surely, 2^11041422421 is an apocalyptic number.

It is an amenable number.

11041422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11041422421 is an equidigital number, since it uses as much as digits as its factorization.

11041422421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11041422421 its reverse (12422414011), we get a palindrome (23463836432).

The spelling of 11041422421 in words is "eleven billion, forty-one million, four hundred twenty-two thousand, four hundred twenty-one".