11331301220 has 12 divisors (see below), whose sum is σ = 23795732604. Its totient is φ = 4532520480.

The previous prime is 11331301213. The next prime is 11331301229. The reversal of 11331301220 is 2210313311.

It can be written as a sum of positive squares in 2 ways, for example, as 3958674724 + 7372626496 = 62918^2 + 85864^2 .

It is not an unprimeable number, because it can be changed into a prime (11331301229) 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, 283282511 + ... + 283282550.

It is an arithmetic number, because the mean of its divisors is an integer number (1982977717).

Almost surely, 2^11331301220 is an apocalyptic number.

11331301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331301220 is an abundant number, since it is smaller than the sum of its proper divisors (12464431384).

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

11331301220 is a wasteful number, since it uses less digits than its factorization.

11331301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566565070 (or 566565068 counting only the distinct ones).

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

Adding to 11331301220 its reverse (2210313311), we get a palindrome (13541614531).

The spelling of 11331301220 in words is "eleven billion, three hundred thirty-one million, three hundred one thousand, two hundred twenty".