11130330221 has 8 divisors (see below), whose sum is σ = 11291119800. Its totient is φ = 10969765632.

The previous prime is 11130330217. The next prime is 11130330251. The reversal of 11130330221 is 12203303111.

It can be written as a sum of positive squares in 4 ways, for example, as 6559218121 + 4571112100 = 80989^2 + 67610^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11130330221 - 2² = 11130330217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11130330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130330251) 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, 44705 + ... + 155753.

It is an arithmetic number, because the mean of its divisors is an integer number (1411389975).

Almost surely, 2^11130330221 is an apocalyptic number.

It is an amenable number.

11130330221 is a deficient number, since it is larger than the sum of its proper divisors (160789579).

11130330221 is a wasteful number, since it uses less digits than its factorization.

11130330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112495.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11130330221 its reverse (12203303111), we get a palindrome (23333633332).

The spelling of 11130330221 in words is "eleven billion, one hundred thirty million, three hundred thirty thousand, two hundred twenty-one".