1133330021 has 2 divisors, whose sum is σ = 1133330022. Its totient is φ = 1133330020.

The previous prime is 1133329987. The next prime is 1133330027. The reversal of 1133330021 is 1200333311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800267521 + 333062500 = 28289^2 + 18250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133330021 - 2⁶ = 1133329957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133330027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566665010 + 566665011.

It is an arithmetic number, because the mean of its divisors is an integer number (566665011).

Almost surely, 2^1133330021 is an apocalyptic number.

It is an amenable number.

1133330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133330021 is an equidigital number, since it uses as much as digits as its factorization.

1133330021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1133330021 is about 33664.9672656903. The cubic root of 1133330021 is about 1042.6025857371.

Adding to 1133330021 its reverse (1200333311), we get a palindrome (2333663332).

The spelling of 1133330021 in words is "one billion, one hundred thirty-three million, three hundred thirty thousand, twenty-one".