11048021 has 2 divisors, whose sum is σ = 11048022. Its totient is φ = 11048020.

The previous prime is 11048017. The next prime is 11048041. The reversal of 11048021 is 12084011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9394225 + 1653796 = 3065^2 + 1286^2 .

It is an emirp because it is prime and its reverse (12084011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11048021 - 2² = 11048017 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11048041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5524010 + 5524011.

It is an arithmetic number, because the mean of its divisors is an integer number (5524011).

Almost surely, 2^11048021 is an apocalyptic number.

It is an amenable number.

11048021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11048021 is an equidigital number, since it uses as much as digits as its factorization.

11048021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11048021 is about 3323.8563446695. The cubic root of 11048021 is about 222.7211687951.

The spelling of 11048021 in words is "eleven million, forty-eight thousand, twenty-one".