11021011 has 2 divisors, whose sum is σ = 11021012. Its totient is φ = 11021010.

The previous prime is 11021009. The next prime is 11021033. The reversal of 11021011 is 11012011.

It is a weak prime.

It is an emirp because it is prime and its reverse (11012011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11021011 - 2¹ = 11021009 is a prime.

Together with 11021009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11020985 and 11021003.

It is not a weakly prime, because it can be changed into another prime (11021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510505 + 5510506.

It is an arithmetic number, because the mean of its divisors is an integer number (5510506).

Almost surely, 2^11021011 is an apocalyptic number.

11021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021011 is an equidigital number, since it uses as much as digits as its factorization.

11021011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 11021011 is about 3319.7908066624. The cubic root of 11021011 is about 222.5395191345.

Adding to 11021011 its reverse (11012011), we get a palindrome (22033022).

Multiplying 11021011 by its reverse (11012011), we get a palindrome (121363494363121).

The spelling of 11021011 in words is "eleven million, twenty-one thousand, eleven".