11120233021 has 2 divisors, whose sum is σ = 11120233022. Its totient is φ = 11120233020.

The previous prime is 11120232989. The next prime is 11120233027. The reversal of 11120233021 is 12033202111.

11120233021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5607912996 + 5512320025 = 74886^2 + 74245^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120233021 - 2⁵ = 11120232989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120232986 and 11120233004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120233027) 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, 5560116510 + 5560116511.

It is an arithmetic number, because the mean of its divisors is an integer number (5560116511).

Almost surely, 2^11120233021 is an apocalyptic number.

It is an amenable number.

11120233021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120233021 is an equidigital number, since it uses as much as digits as its factorization.

11120233021 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 11120233021 its reverse (12033202111), we get a palindrome (23153435132).

The spelling of 11120233021 in words is "eleven billion, one hundred twenty million, two hundred thirty-three thousand, twenty-one".