1332111321 has 12 divisors (see below), whose sum is σ = 1943213220. Its totient is φ = 879280800.

The previous prime is 1332111293. The next prime is 1332111329. The reversal of 1332111321 is 1231112331.

1332111321 is a `hidden beast` number, since 1 + 332 + 1 + 11 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1309643721 + 22467600 = 36189^2 + 4740^2 .

It is not a de Polignac number, because 1332111321 - 2⁵ = 1332111289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1332111294 and 1332111303.

It is not an unprimeable number, because it can be changed into a prime (1332111329) 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 11 ways as a sum of consecutive naturals, for example, 731826 + ... + 733643.

It is an arithmetic number, because the mean of its divisors is an integer number (161934435).

Almost surely, 2^1332111321 is an apocalyptic number.

It is an amenable number.

1332111321 is a deficient number, since it is larger than the sum of its proper divisors (611101899).

1332111321 is a wasteful number, since it uses less digits than its factorization.

1332111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465576 (or 1465573 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1332111321 is about 36498.1002382316. The cubic root of 1332111321 is about 1100.3060638687.

Adding to 1332111321 its reverse (1231112331), we get a palindrome (2563223652).

It can be divided in two parts, 13321 and 11321, that added together give a palindrome (24642).

The spelling of 1332111321 in words is "one billion, three hundred thirty-two million, one hundred eleven thousand, three hundred twenty-one".