11102021 has 16 divisors (see below), whose sum is σ = 13160448. Its totient is φ = 9168000.

The previous prime is 11102009. The next prime is 11102051. The reversal of 11102021 is 12020111.

11102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11102021 - 2⁶ = 11101957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28796 + ... + 29178.

It is an arithmetic number, because the mean of its divisors is an integer number (822528).

Almost surely, 2^11102021 is an apocalyptic number.

It is an amenable number.

11102021 is a deficient number, since it is larger than the sum of its proper divisors (2058427).

11102021 is a wasteful number, since it uses less digits than its factorization.

11102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11102021 is about 3331.9695376759. The cubic root of 11102021 is about 223.0834478929.

Adding to 11102021 its reverse (12020111), we get a palindrome (23122132).

The spelling of 11102021 in words is "eleven million, one hundred two thousand, twenty-one".