11144302221 has 16 divisors (see below), whose sum is σ = 16013169536. Its totient is φ = 6853277376.

The previous prime is 11144302201. The next prime is 11144302241. The reversal of 11144302221 is 12220344111.

It is an interprime number because it is at equal distance from previous prime (11144302201) and next prime (11144302241).

It is not a de Polignac number, because 11144302221 - 2⁶ = 11144302157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144302201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41665 + ... + 154998.

It is an arithmetic number, because the mean of its divisors is an integer number (1000823096).

Almost surely, 2^11144302221 is an apocalyptic number.

It is an amenable number.

11144302221 is a deficient number, since it is larger than the sum of its proper divisors (4868867315).

11144302221 is a wasteful number, since it uses less digits than its factorization.

11144302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198132.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11144302221 its reverse (12220344111), we get a palindrome (23364646332).

The spelling of 11144302221 in words is "eleven billion, one hundred forty-four million, three hundred two thousand, two hundred twenty-one".