11022971 has 4 divisors (see below), whose sum is σ = 11047344. Its totient is φ = 10998600.

The previous prime is 11022967. The next prime is 11023009. The reversal of 11022971 is 17922011.

11022971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11022971 - 2² = 11022967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022931) 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, 11495 + ... + 12416.

It is an arithmetic number, because the mean of its divisors is an integer number (2761836).

Almost surely, 2^11022971 is an apocalyptic number.

11022971 is a deficient number, since it is larger than the sum of its proper divisors (24373).

11022971 is an equidigital number, since it uses as much as digits as its factorization.

11022971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24372.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11022971 is about 3320.0859928622. The cubic root of 11022971 is about 222.5527106528.

Adding to 11022971 its reverse (17922011), we get a palindrome (28944982).

The spelling of 11022971 in words is "eleven million, twenty-two thousand, nine hundred seventy-one".