11033021 has 8 divisors (see below), whose sum is σ = 11500920. Its totient is φ = 10571008.

The previous prime is 11032999. The next prime is 11033041. The reversal of 11033021 is 12033011.

It can be written as a sum of positive squares in 4 ways, for example, as 722500 + 10310521 = 850^2 + 3211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11033021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032993 and 11033011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585 + ... + 5361.

It is an arithmetic number, because the mean of its divisors is an integer number (1437615).

Almost surely, 2^11033021 is an apocalyptic number.

It is an amenable number.

11033021 is a deficient number, since it is larger than the sum of its proper divisors (467899).

11033021 is a wasteful number, since it uses less digits than its factorization.

11033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11033021 is about 3321.5991630538. The cubic root of 11033021 is about 222.6203262815.

Adding to 11033021 its reverse (12033011), we get a palindrome (23066032).

The spelling of 11033021 in words is "eleven million, thirty-three thousand, twenty-one".