11021021033 has 16 divisors (see below), whose sum is σ = 12246914880. Its totient is φ = 9834105600.

The previous prime is 11021021027. The next prime is 11021021047. The reversal of 11021021033 is 33012012011.

It is not a de Polignac number, because 11021021033 - 2²² = 11016826729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11021020999 and 11021021017.

It is not an unprimeable number, because it can be changed into a prime (11021021083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93038 + ... + 175208.

It is an arithmetic number, because the mean of its divisors is an integer number (765432180).

Almost surely, 2^11021021033 is an apocalyptic number.

It is an amenable number.

11021021033 is a deficient number, since it is larger than the sum of its proper divisors (1225893847).

11021021033 is a wasteful number, since it uses less digits than its factorization.

11021021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82408.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11021021033 its reverse (33012012011), we get a palindrome (44033033044).

The spelling of 11021021033 in words is "eleven billion, twenty-one million, twenty-one thousand, thirty-three".