11111214433021 has 16 divisors (see below), whose sum is σ = 11287229472000. Its totient is φ = 10936450201600.

The previous prime is 11111214433013. The next prime is 11111214433049. The reversal of 11111214433021 is 12033441211111.

It is a cyclic number.

It is not a de Polignac number, because 11111214433021 - 2³ = 11111214433013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111214533021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16900626 + ... + 17545756.

It is an arithmetic number, because the mean of its divisors is an integer number (705451842000).

Almost surely, 2^{11111214433021} is an apocalyptic number.

It is an amenable number.

11111214433021 is a deficient number, since it is larger than the sum of its proper divisors (176015038979).

11111214433021 is an equidigital number, since it uses as much as digits as its factorization.

11111214433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646100.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 11111214433021 its reverse (12033441211111), we get a palindrome (23144655644132).

The spelling of 11111214433021 in words is "eleven trillion, one hundred eleven billion, two hundred fourteen million, four hundred thirty-three thousand, twenty-one".