11054021 has 4 divisors (see below), whose sum is σ = 12058944. Its totient is φ = 10049100.

The previous prime is 11054003. The next prime is 11054033. The reversal of 11054021 is 12045011.

11054021 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 11054021 - 2⁶ = 11053957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11053987 and 11054005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11054041) 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, 502445 + ... + 502466.

It is an arithmetic number, because the mean of its divisors is an integer number (3014736).

Almost surely, 2^11054021 is an apocalyptic number.

11054021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11054021 is a deficient number, since it is larger than the sum of its proper divisors (1004923).

11054021 is a wasteful number, since it uses less digits than its factorization.

11054021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004922.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11054021 is about 3324.7587882431. The cubic root of 11054021 is about 222.7614802432.

Adding to 11054021 its reverse (12045011), we get a palindrome (23099032).

The spelling of 11054021 in words is "eleven million, fifty-four thousand, twenty-one".