130551041021 has 2 divisors, whose sum is σ = 130551041022. Its totient is φ = 130551041020.

The previous prime is 130551040987. The next prime is 130551041039. The reversal of 130551041021 is 120140155031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107367628900 + 23183412121 = 327670^2 + 152261^2 .

It is a cyclic number.

It is not a de Polignac number, because 130551041021 - 2³⁰ = 129477299197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130551041521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65275520510 + 65275520511.

It is an arithmetic number, because the mean of its divisors is an integer number (65275520511).

Almost surely, 2^130551041021 is an apocalyptic number.

It is an amenable number.

130551041021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130551041021 is an equidigital number, since it uses as much as digits as its factorization.

130551041021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 130551041021 its reverse (120140155031), we get a palindrome (250691196052).

The spelling of 130551041021 in words is "one hundred thirty billion, five hundred fifty-one million, forty-one thousand, twenty-one".