130311002221 has 2 divisors, whose sum is σ = 130311002222. Its totient is φ = 130311002220.

The previous prime is 130311002201. The next prime is 130311002233. The reversal of 130311002221 is 122200113031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83224172196 + 47086830025 = 288486^2 + 216995^2 .

It is a cyclic number.

It is not a de Polignac number, because 130311002221 - 2⁷ = 130311002093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130311002195 and 130311002204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130311002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65155501110 + 65155501111.

It is an arithmetic number, because the mean of its divisors is an integer number (65155501111).

Almost surely, 2^130311002221 is an apocalyptic number.

It is an amenable number.

130311002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130311002221 is an equidigital number, since it uses as much as digits as its factorization.

130311002221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 130311002221 its reverse (122200113031), we get a palindrome (252511115252).

The spelling of 130311002221 in words is "one hundred thirty billion, three hundred eleven million, two thousand, two hundred twenty-one".