1333113221 has 4 divisors (see below), whose sum is σ = 1454305344. Its totient is φ = 1211921100.

The previous prime is 1333113203. The next prime is 1333113233. The reversal of 1333113221 is 1223113331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1333113221 - 2¹⁰ = 1333112197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1333113193 and 1333113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333113421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60596045 + ... + 60596066.

It is an arithmetic number, because the mean of its divisors is an integer number (363576336).

Almost surely, 2^1333113221 is an apocalyptic number.

1333113221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1333113221 is a deficient number, since it is larger than the sum of its proper divisors (121192123).

1333113221 is a wasteful number, since it uses less digits than its factorization.

1333113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121192122.

The product of its digits is 324, while the sum is 20.

The square root of 1333113221 is about 36511.8230303555. The cubic root of 1333113221 is about 1100.5818467225.

Adding to 1333113221 its reverse (1223113331), we get a palindrome (2556226552).

The spelling of 1333113221 in words is "one billion, three hundred thirty-three million, one hundred thirteen thousand, two hundred twenty-one".