11082421 has 4 divisors (see below), whose sum is σ = 12665632. Its totient is φ = 9499212.

The previous prime is 11082397. The next prime is 11082451. The reversal of 11082421 is 12428011.

It is a happy number.

11082421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11082421 - 2⁷ = 11082293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11082451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791595 + ... + 791608.

It is an arithmetic number, because the mean of its divisors is an integer number (3166408).

Almost surely, 2^11082421 is an apocalyptic number.

It is an amenable number.

11082421 is a deficient number, since it is larger than the sum of its proper divisors (1583211).

11082421 is an equidigital number, since it uses as much as digits as its factorization.

11082421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583210.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11082421 is about 3329.0270350359. The cubic root of 11082421 is about 222.9520900917.

The spelling of 11082421 in words is "eleven million, eighty-two thousand, four hundred twenty-one".