11073021 has 4 divisors (see below), whose sum is σ = 14764032. Its totient is φ = 7382012.

The previous prime is 11073019. The next prime is 11073047. The reversal of 11073021 is 12037011.

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 11073021 - 2¹ = 11073019 is a prime.

It is a super-2 number, since 2×11073021² = 245223588132882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11073011) 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, 1845501 + ... + 1845506.

It is an arithmetic number, because the mean of its divisors is an integer number (3691008).

Almost surely, 2^11073021 is an apocalyptic number.

It is an amenable number.

11073021 is a deficient number, since it is larger than the sum of its proper divisors (3691011).

11073021 is an equidigital number, since it uses as much as digits as its factorization.

11073021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691010.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 11073021 is about 3327.6149116146. The cubic root of 11073021 is about 222.8890370080.

The spelling of 11073021 in words is "eleven million, seventy-three thousand, twenty-one".