11140333021 has 2 divisors, whose sum is σ = 11140333022. Its totient is φ = 11140333020.

The previous prime is 11140333013. The next prime is 11140333049. The reversal of 11140333021 is 12033304111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8913436921 + 2226896100 = 94411^2 + 47190^2 .

It is an emirp because it is prime and its reverse (12033304111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11140333021 - 2³ = 11140333013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11140333021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11140303021) 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, 5570166510 + 5570166511.

It is an arithmetic number, because the mean of its divisors is an integer number (5570166511).

Almost surely, 2^11140333021 is an apocalyptic number.

It is an amenable number.

11140333021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140333021 is an equidigital number, since it uses as much as digits as its factorization.

11140333021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11140333021 its reverse (12033304111), we get a palindrome (23173637132).

The spelling of 11140333021 in words is "eleven billion, one hundred forty million, three hundred thirty-three thousand, twenty-one".