11114030021 has 4 divisors (see below), whose sum is σ = 11157275532. Its totient is φ = 11070784512.

The previous prime is 11114030017. The next prime is 11114030027. The reversal of 11114030021 is 12003041111.

11114030021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6882527521 + 4231502500 = 82961^2 + 65050^2 .

It is a cyclic number.

It is not a de Polignac number, because 11114030021 - 2² = 11114030017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11114029978 and 11114030005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11114030027) 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 in 3 ways as a sum of consecutive naturals, for example, 21622370 + ... + 21622883.

It is an arithmetic number, because the mean of its divisors is an integer number (2789318883).

Almost surely, 2^11114030021 is an apocalyptic number.

It is an amenable number.

11114030021 is a deficient number, since it is larger than the sum of its proper divisors (43245511).

11114030021 is an equidigital number, since it uses as much as digits as its factorization.

11114030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245510.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11114030021 its reverse (12003041111), we get a palindrome (23117071132).

The spelling of 11114030021 in words is "eleven billion, one hundred fourteen million, thirty thousand, twenty-one".