11110013021 has 8 divisors (see below), whose sum is σ = 11299296888. Its totient is φ = 10920960000.

The previous prime is 11110013017. The next prime is 11110013041. The reversal of 11110013021 is 12031001111.

It is a happy number.

11110013021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1764924121 + 9345088900 = 42011^2 + 96670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11110013021 - 2² = 11110013017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11110012993 and 11110013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110013041) 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 7 ways as a sum of consecutive naturals, for example, 40781 + ... + 154541.

It is an arithmetic number, because the mean of its divisors is an integer number (1412412111).

Almost surely, 2^11110013021 is an apocalyptic number.

It is an amenable number.

11110013021 is a deficient number, since it is larger than the sum of its proper divisors (189283867).

11110013021 is a wasteful number, since it uses less digits than its factorization.

11110013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115423.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11110013021 its reverse (12031001111), we get a palindrome (23141014132).

The spelling of 11110013021 in words is "eleven billion, one hundred ten million, thirteen thousand, twenty-one".