1100331300221 has 4 divisors (see below), whose sum is σ = 1100395331100. Its totient is φ = 1100267269344.

The previous prime is 1100331300169. The next prime is 1100331300283. The reversal of 1100331300221 is 1220031330011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1077466836121 + 22864464100 = 1038011^2 + 151210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100331300221 - 2¹⁴ = 1100331283837 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 1100331300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100331380221) 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, 31989656 + ... + 32024033.

It is an arithmetic number, because the mean of its divisors is an integer number (275098832775).

Almost surely, 2^{1100331300221} is an apocalyptic number.

It is an amenable number.

1100331300221 is a deficient number, since it is larger than the sum of its proper divisors (64030879).

1100331300221 is an equidigital number, since it uses as much as digits as its factorization.

1100331300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64030878.

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

Adding to 1100331300221 its reverse (1220031330011), we get a palindrome (2320362630232).

The spelling of 1100331300221 in words is "one trillion, one hundred billion, three hundred thirty-one million, three hundred thousand, two hundred twenty-one".