130303211021 has 2 divisors, whose sum is σ = 130303211022. Its totient is φ = 130303211020.

The previous prime is 130303211009. The next prime is 130303211113. The reversal of 130303211021 is 120112303031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125450556100 + 4852654921 = 354190^2 + 69661^2 .

It is a cyclic number.

It is not a de Polignac number, because 130303211021 - 2²² = 130299016717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130303811021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65151605510 + 65151605511.

It is an arithmetic number, because the mean of its divisors is an integer number (65151605511).

Almost surely, 2^130303211021 is an apocalyptic number.

It is an amenable number.

130303211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130303211021 is an equidigital number, since it uses as much as digits as its factorization.

130303211021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130303211021 its reverse (120112303031), we get a palindrome (250415514052).

The spelling of 130303211021 in words is "one hundred thirty billion, three hundred three million, two hundred eleven thousand, twenty-one".