11303113221220 has 24 divisors (see below), whose sum is σ = 23755851516600. Its totient is φ = 4517566478592.

The previous prime is 11303113221163. The next prime is 11303113221247. The reversal of 11303113221220 is 2212231130311.

It can be written as a sum of positive squares in 4 ways, for example, as 1130955679296 + 10172157541924 = 1063464^2 + 3189382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11303113221191 and 11303113221200.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 229900425 + ... + 229949584.

It is an arithmetic number, because the mean of its divisors is an integer number (989827146525).

Almost surely, 2^{11303113221220} is an apocalyptic number.

11303113221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303113221220 is an abundant number, since it is smaller than the sum of its proper divisors (12452738295380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11303113221220 is a wasteful number, since it uses less digits than its factorization.

11303113221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459851247 (or 459851245 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11303113221220 its reverse (2212231130311), we get a palindrome (13515344351531).

The spelling of 11303113221220 in words is "eleven trillion, three hundred three billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred twenty".