1130221413221 has 2 divisors, whose sum is σ = 1130221413222. Its totient is φ = 1130221413220.

The previous prime is 1130221413199. The next prime is 1130221413283. The reversal of 1130221413221 is 1223141220311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817532430625 + 312688982596 = 904175^2 + 559186^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130221413221 - 2⁶ = 1130221413157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130221413821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565110706610 + 565110706611.

It is an arithmetic number, because the mean of its divisors is an integer number (565110706611).

Almost surely, 2^{1130221413221} is an apocalyptic number.

It is an amenable number.

1130221413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130221413221 is an equidigital number, since it uses as much as digits as its factorization.

1130221413221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1130221413221 its reverse (1223141220311), we get a palindrome (2353362633532).

The spelling of 1130221413221 in words is "one trillion, one hundred thirty billion, two hundred twenty-one million, four hundred thirteen thousand, two hundred twenty-one".