11075221 has 8 divisors (see below), whose sum is σ = 11499264. Its totient is φ = 10659120.

The previous prime is 11075203. The next prime is 11075227. The reversal of 11075221 is 12257011.

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

It is a cyclic number.

It is not a de Polignac number, because 11075221 - 2⁷ = 11075093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11075227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936 + ... + 4798.

It is an arithmetic number, because the mean of its divisors is an integer number (1437408).

Almost surely, 2^11075221 is an apocalyptic number.

It is an amenable number.

11075221 is a deficient number, since it is larger than the sum of its proper divisors (424043).

11075221 is an equidigital number, since it uses as much as digits as its factorization.

11075221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 11075221 is about 3327.9454622935. The cubic root of 11075221 is about 222.9037973102.

It can be divided in two parts, 1107 and 5221, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 11075221 in words is "eleven million, seventy-five thousand, two hundred twenty-one".