11010421 has 2 divisors, whose sum is σ = 11010422. Its totient is φ = 11010420.

The previous prime is 11010409. The next prime is 11010437. The reversal of 11010421 is 12401011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10329796 + 680625 = 3214^2 + 825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11010421 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11010398 and 11010407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11070421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505210 + 5505211.

It is an arithmetic number, because the mean of its divisors is an integer number (5505211).

Almost surely, 2^11010421 is an apocalyptic number.

It is an amenable number.

11010421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010421 is an equidigital number, since it uses as much as digits as its factorization.

11010421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11010421 is about 3318.1954433095. The cubic root of 11010421 is about 222.4682174862.

Adding to 11010421 its reverse (12401011), we get a palindrome (23411432).

The spelling of 11010421 in words is "eleven million, ten thousand, four hundred twenty-one".