11331222121330 has 16 divisors (see below), whose sum is σ = 20440443210264. Its totient is φ = 4522656983680.

The previous prime is 11331222121319. The next prime is 11331222121339. The reversal of 11331222121330 is 3312122213311.

It can be written as a sum of positive squares in 4 ways, for example, as 10839825327321 + 491396794009 = 3292389^2 + 700997^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11331222121295 and 11331222121304.

It is not an unprimeable number, because it can be changed into a prime (11331222121339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228978267 + ... + 1228987486.

Almost surely, 2^{11331222121330} is an apocalyptic number.

11331222121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11331222121330 is a deficient number, since it is larger than the sum of its proper divisors (9109221088934).

11331222121330 is a wasteful number, since it uses less digits than its factorization.

11331222121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457966221.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11331222121330 its reverse (3312122213311), we get a palindrome (14643344334641).

The spelling of 11331222121330 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty".