11303101221 has 8 divisors (see below), whose sum is σ = 15124056480. Its totient is φ = 7508773392.

The previous prime is 11303101207. The next prime is 11303101237. The reversal of 11303101221 is 12210130311.

It is a happy number.

11303101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11303101221 - 2⁵ = 11303101189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11303101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303101261) 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, 6655866 + ... + 6657563.

It is an arithmetic number, because the mean of its divisors is an integer number (1890507060).

Almost surely, 2^11303101221 is an apocalyptic number.

It is an amenable number.

11303101221 is a deficient number, since it is larger than the sum of its proper divisors (3820955259).

11303101221 is a wasteful number, since it uses less digits than its factorization.

11303101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313715.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11303101221 its reverse (12210130311), we get a palindrome (23513231532).

The spelling of 11303101221 in words is "eleven billion, three hundred three million, one hundred one thousand, two hundred twenty-one".