11014234142221 has 4 divisors (see below), whose sum is σ = 11662130268252. Its totient is φ = 10366338016192.

The previous prime is 11014234142203. The next prime is 11014234142227. The reversal of 11014234142221 is 12224143241011.

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 10090876504996 + 923357637225 = 3176614^2 + 960915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11014234142221 - 2¹⁵ = 11014234109453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11014234142221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11014234142227) 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 in 3 ways as a sum of consecutive naturals, for example, 323948062990 + ... + 323948063023.

It is an arithmetic number, because the mean of its divisors is an integer number (2915532567063).

Almost surely, 2^{11014234142221} is an apocalyptic number.

It is an amenable number.

11014234142221 is a deficient number, since it is larger than the sum of its proper divisors (647896126031).

11014234142221 is an equidigital number, since it uses as much as digits as its factorization.

11014234142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647896126030.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 11014234142221 its reverse (12224143241011), we get a palindrome (23238377383232).

The spelling of 11014234142221 in words is "eleven trillion, fourteen billion, two hundred thirty-four million, one hundred forty-two thousand, two hundred twenty-one".