1133201321 has 16 divisors (see below), whose sum is σ = 1326240000. Its totient is φ = 948138048.

The previous prime is 1133201299. The next prime is 1133201341. The reversal of 1133201321 is 1231023311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133201321 is a prime.

It is a super-2 number, since 2×1133201321² = 2568290467832290082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133201321.

It is not an unprimeable number, because it can be changed into a prime (1133201341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66155 + ... + 81503.

It is an arithmetic number, because the mean of its divisors is an integer number (82890000).

Almost surely, 2^1133201321 is an apocalyptic number.

It is an amenable number.

1133201321 is a deficient number, since it is larger than the sum of its proper divisors (193038679).

1133201321 is a wasteful number, since it uses less digits than its factorization.

1133201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15608.

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

The square root of 1133201321 is about 33663.0557287956. The cubic root of 1133201321 is about 1042.5631185534.

Adding to 1133201321 its reverse (1231023311), we get a palindrome (2364224632).

The spelling of 1133201321 in words is "one billion, one hundred thirty-three million, two hundred one thousand, three hundred twenty-one".