11004112921 has 2 divisors, whose sum is σ = 11004112922. Its totient is φ = 11004112920.

The previous prime is 11004112891. The next prime is 11004113011. The reversal of 11004112921 is 12921140011.

11004112921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10524502921 + 479610000 = 102589^2 + 21900^2 .

It is a cyclic number.

It is not a de Polignac number, because 11004112921 - 2²¹ = 11002015769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11004112892 and 11004112901.

It is not a weakly prime, because it can be changed into another prime (11004112421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502056460 + 5502056461.

It is an arithmetic number, because the mean of its divisors is an integer number (5502056461).

Almost surely, 2^11004112921 is an apocalyptic number.

It is an amenable number.

11004112921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11004112921 is an equidigital number, since it uses as much as digits as its factorization.

11004112921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 11004112921 its reverse (12921140011), we get a palindrome (23925252932).

The spelling of 11004112921 in words is "eleven billion, four million, one hundred twelve thousand, nine hundred twenty-one".