1130230220221 has 2 divisors, whose sum is σ = 1130230220222. Its totient is φ = 1130230220220.

The previous prime is 1130230220213. The next prime is 1130230220237. The reversal of 1130230220221 is 1220220320311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831689280900 + 298540939321 = 911970^2 + 546389^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130230220221 - 2³ = 1130230220213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130230220291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565115110110 + 565115110111.

It is an arithmetic number, because the mean of its divisors is an integer number (565115110111).

Almost surely, 2^{1130230220221} is an apocalyptic number.

It is an amenable number.

1130230220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130230220221 is an equidigital number, since it uses as much as digits as its factorization.

1130230220221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1130230220221 its reverse (1220220320311), we get a palindrome (2350450540532).

The spelling of 1130230220221 in words is "one trillion, one hundred thirty billion, two hundred thirty million, two hundred twenty thousand, two hundred twenty-one".