1130313122221 has 2 divisors, whose sum is σ = 1130313122222. Its totient is φ = 1130313122220.

The previous prime is 1130313122129. The next prime is 1130313122231. The reversal of 1130313122221 is 1222213130311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751491336996 + 378821785225 = 866886^2 + 615485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130313122221 - 2³¹ = 1128165638573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130313122192 and 1130313122201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130313122231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565156561110 + 565156561111.

It is an arithmetic number, because the mean of its divisors is an integer number (565156561111).

Almost surely, 2^{1130313122221} is an apocalyptic number.

It is an amenable number.

1130313122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130313122221 is an equidigital number, since it uses as much as digits as its factorization.

1130313122221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1130313122221 its reverse (1222213130311), we get a palindrome (2352526252532).

The spelling of 1130313122221 in words is "one trillion, one hundred thirty billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-one".