11026921 has 2 divisors, whose sum is σ = 11026922. Its totient is φ = 11026920.

The previous prime is 11026919. The next prime is 11026949. The reversal of 11026921 is 12962011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 4575321 = 2540^2 + 2139^2 .

It is a cyclic number.

It is not a de Polignac number, because 11026921 - 2¹ = 11026919 is a prime.

Together with 11026919, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11026892 and 11026901.

It is not a weakly prime, because it can be changed into another prime (11026901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513460 + 5513461.

It is an arithmetic number, because the mean of its divisors is an integer number (5513461).

Almost surely, 2^11026921 is an apocalyptic number.

It is an amenable number.

11026921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11026921 is an equidigital number, since it uses as much as digits as its factorization.

11026921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11026921 is about 3320.6808036907. The cubic root of 11026921 is about 222.5792908498.

Adding to 11026921 its reverse (12962011), we get a palindrome (23988932).

The spelling of 11026921 in words is "eleven million, twenty-six thousand, nine hundred twenty-one".