11103301240221 has 4 divisors (see below), whose sum is σ = 14804401653632. Its totient is φ = 7402200826812.

The previous prime is 11103301240169. The next prime is 11103301240253. The reversal of 11103301240221 is 12204210330111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11103301240221 - 2⁷ = 11103301240093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103301245221) 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, 1850550206701 + ... + 1850550206706.

It is an arithmetic number, because the mean of its divisors is an integer number (3701100413408).

Almost surely, 2^{11103301240221} is an apocalyptic number.

It is an amenable number.

11103301240221 is a deficient number, since it is larger than the sum of its proper divisors (3701100413411).

11103301240221 is an equidigital number, since it uses as much as digits as its factorization.

11103301240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701100413410.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11103301240221 its reverse (12204210330111), we get a palindrome (23307511570332).

The spelling of 11103301240221 in words is "eleven trillion, one hundred three billion, three hundred one million, two hundred forty thousand, two hundred twenty-one".