11310330310021 has 4 divisors (see below), whose sum is σ = 11311428304044. Its totient is φ = 11309232316000.

The previous prime is 11310330310007. The next prime is 11310330310151. The reversal of 11310330310021 is 12001303301311.

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 8304996021921 + 3005334288100 = 2881839^2 + 1733590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11310330310021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310339310021) 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, 548981560 + ... + 549002161.

It is an arithmetic number, because the mean of its divisors is an integer number (2827857076011).

Almost surely, 2^{11310330310021} is an apocalyptic number.

It is an amenable number.

11310330310021 is a deficient number, since it is larger than the sum of its proper divisors (1097994023).

11310330310021 is a wasteful number, since it uses less digits than its factorization.

11310330310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097994022.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11310330310021 its reverse (12001303301311), we get a palindrome (23311633611332).

The spelling of 11310330310021 in words is "eleven trillion, three hundred ten billion, three hundred thirty million, three hundred ten thousand, twenty-one".