1130030221 has 2 divisors, whose sum is σ = 1130030222. Its totient is φ = 1130030220.

The previous prime is 1130030189. The next prime is 1130030257. The reversal of 1130030221 is 1220300311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645414025 + 484616196 = 25405^2 + 22014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130030221 - 2⁵ = 1130030189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130030261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565015110 + 565015111.

It is an arithmetic number, because the mean of its divisors is an integer number (565015111).

Almost surely, 2^1130030221 is an apocalyptic number.

It is an amenable number.

1130030221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130030221 is an equidigital number, since it uses as much as digits as its factorization.

1130030221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1130030221 is about 33615.9221352025. The cubic root of 1130030221 is about 1041.5897226522.

Adding to 1130030221 its reverse (1220300311), we get a palindrome (2350330532).

The spelling of 1130030221 in words is "one billion, one hundred thirty million, thirty thousand, two hundred twenty-one".