11254113221 has 4 divisors (see below), whose sum is σ = 12119814252. Its totient is φ = 10388412192.

The previous prime is 11254113217. The next prime is 11254113229. The reversal of 11254113221 is 12231145211.

11254113221 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, and also an emirpimes, since its reverse is a distinct semiprime: 12231145211 = 1861 ⋅6572351.

It can be written as a sum of positive squares in 2 ways, for example, as 1090650625 + 10163462596 = 33025^2 + 100814^2 .

It is a cyclic number.

It is not a de Polignac number, because 11254113221 - 2² = 11254113217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11254113229) 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, 432850496 + ... + 432850521.

It is an arithmetic number, because the mean of its divisors is an integer number (3029953563).

Almost surely, 2^11254113221 is an apocalyptic number.

It is an amenable number.

11254113221 is a deficient number, since it is larger than the sum of its proper divisors (865701031).

11254113221 is an equidigital number, since it uses as much as digits as its factorization.

11254113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865701030.

The product of its digits is 480, while the sum is 23.

Adding to 11254113221 its reverse (12231145211), we get a palindrome (23485258432).

The spelling of 11254113221 in words is "eleven billion, two hundred fifty-four million, one hundred thirteen thousand, two hundred twenty-one".