11033104021 has 2 divisors, whose sum is σ = 11033104022. Its totient is φ = 11033104020.

The previous prime is 11033104013. The next prime is 11033104063. The reversal of 11033104021 is 12040133011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10062096100 + 971007921 = 100310^2 + 31161^2 .

It is a cyclic number.

It is not a de Polignac number, because 11033104021 - 2³ = 11033104013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11033103986 and 11033104004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11033104081) 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 as a sum of consecutive naturals, namely, 5516552010 + 5516552011.

It is an arithmetic number, because the mean of its divisors is an integer number (5516552011).

Almost surely, 2^11033104021 is an apocalyptic number.

It is an amenable number.

11033104021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033104021 is an equidigital number, since it uses as much as digits as its factorization.

11033104021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11033104021 its reverse (12040133011), we get a palindrome (23073237032).

The spelling of 11033104021 in words is "eleven billion, thirty-three million, one hundred four thousand, twenty-one".