11300331221 has 2 divisors, whose sum is σ = 11300331222. Its totient is φ = 11300331220.

The previous prime is 11300331179. The next prime is 11300331271. The reversal of 11300331221 is 12213300311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10994571025 + 305760196 = 104855^2 + 17486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11300331221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11300331221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11300331271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650165610 + 5650165611.

It is an arithmetic number, because the mean of its divisors is an integer number (5650165611).

Almost surely, 2^11300331221 is an apocalyptic number.

It is an amenable number.

11300331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11300331221 is an equidigital number, since it uses as much as digits as its factorization.

11300331221 is an evil number, because the sum of its binary digits is even.

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

Adding to 11300331221 its reverse (12213300311), we get a palindrome (23513631532).

The spelling of 11300331221 in words is "eleven billion, three hundred million, three hundred thirty-one thousand, two hundred twenty-one".