11084921 has 2 divisors, whose sum is σ = 11084922. Its totient is φ = 11084920.

The previous prime is 11084893. The next prime is 11084929. The reversal of 11084921 is 12948011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 774400 = 3211^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11084921 - 2¹⁴ = 11068537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11084929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5542460 + 5542461.

It is an arithmetic number, because the mean of its divisors is an integer number (5542461).

Almost surely, 2^11084921 is an apocalyptic number.

It is an amenable number.

11084921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11084921 is an equidigital number, since it uses as much as digits as its factorization.

11084921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11084921 is about 3329.4024989478. The cubic root of 11084921 is about 222.9688535263.

The spelling of 11084921 in words is "eleven million, eighty-four thousand, nine hundred twenty-one".