11300311221 has 8 divisors (see below), whose sum is σ = 15236375040. Its totient is φ = 7448894112.

The previous prime is 11300311201. The next prime is 11300311261. The reversal of 11300311221 is 12211300311.

It is a happy number.

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

It is not a de Polignac number, because 11300311221 - 2⁹ = 11300310709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11300311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11300311201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21161365 + ... + 21161898.

It is an arithmetic number, because the mean of its divisors is an integer number (1904546880).

Almost surely, 2^11300311221 is an apocalyptic number.

It is an amenable number.

11300311221 is a deficient number, since it is larger than the sum of its proper divisors (3936063819).

11300311221 is an equidigital number, since it uses as much as digits as its factorization.

11300311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42323355.

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

Adding to 11300311221 its reverse (12211300311), we get a palindrome (23511611532).

The spelling of 11300311221 in words is "eleven billion, three hundred million, three hundred eleven thousand, two hundred twenty-one".