1133221133 has 16 divisors (see below), whose sum is σ = 1253862720. Its totient is φ = 1015622400.

The previous prime is 1133221093. The next prime is 1133221153. The reversal of 1133221133 is 3311223311.

It is a cyclic number.

It is not a de Polignac number, because 1133221133 - 2¹⁸ = 1132958989 is a prime.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133221153) 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, 223733 + ... + 228741.

It is an arithmetic number, because the mean of its divisors is an integer number (78366420).

Almost surely, 2^1133221133 is an apocalyptic number.

It is an amenable number.

1133221133 is a deficient number, since it is larger than the sum of its proper divisors (120641587).

1133221133 is a wasteful number, since it uses less digits than its factorization.

1133221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308.

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

The square root of 1133221133 is about 33663.3499966952. The cubic root of 1133221133 is about 1042.5691943023.

Adding to 1133221133 its reverse (3311223311), we get a palindrome (4444444444).

The spelling of 1133221133 in words is "one billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred thirty-three".