11052021 has 8 divisors (see below), whose sum is σ = 14922880. Its totient is φ = 7274592.

The previous prime is 11052017. The next prime is 11052047. The reversal of 11052021 is 12025011.

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

It is not a de Polignac number, because 11052021 - 2² = 11052017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11051988 and 11052006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11052061) 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, 23080 + ... + 23553.

It is an arithmetic number, because the mean of its divisors is an integer number (1865360).

Almost surely, 2^11052021 is an apocalyptic number.

It is an amenable number.

11052021 is a deficient number, since it is larger than the sum of its proper divisors (3870859).

11052021 is an equidigital number, since it uses as much as digits as its factorization.

11052021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46715.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11052021 is about 3324.4580009379. The cubic root of 11052021 is about 222.7480447150.

Adding to 11052021 its reverse (12025011), we get a palindrome (23077032).

The spelling of 11052021 in words is "eleven million, fifty-two thousand, twenty-one".