1133221201 has 16 divisors (see below), whose sum is σ = 1374336000. Its totient is φ = 913345488.

The previous prime is 1133221169. The next prime is 1133221211. The reversal of 1133221201 is 1021223311.

It is not a de Polignac number, because 1133221201 - 2⁵ = 1133221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133221211) 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, 50151 + ... + 69148.

It is an arithmetic number, because the mean of its divisors is an integer number (85896000).

Almost surely, 2^1133221201 is an apocalyptic number.

It is an amenable number.

1133221201 is a deficient number, since it is larger than the sum of its proper divisors (241114799).

1133221201 is a wasteful number, since it uses less digits than its factorization.

1133221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119388.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1133221201 is about 33663.3510066957. The cubic root of 1133221201 is about 1042.5692151558.

Adding to 1133221201 its reverse (1021223311), we get a palindrome (2154444512).

The spelling of 1133221201 in words is "one billion, one hundred thirty-three million, two hundred twenty-one thousand, two hundred one".