210130055117 has 2 divisors, whose sum is σ = 210130055118. Its totient is φ = 210130055116.

The previous prime is 210130055099. The next prime is 210130055147. The reversal of 210130055117 is 711550031012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202368621316 + 7761433801 = 449854^2 + 88099^2 .

It is a cyclic number.

It is not a de Polignac number, because 210130055117 - 2²⁶ = 210062946253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210130055147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105065027558 + 105065027559.

It is an arithmetic number, because the mean of its divisors is an integer number (105065027559).

Almost surely, 2^210130055117 is an apocalyptic number.

It is an amenable number.

210130055117 is a deficient number, since it is larger than the sum of its proper divisors (1).

210130055117 is an equidigital number, since it uses as much as digits as its factorization.

210130055117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 210130055117 its reverse (711550031012), we get a palindrome (921680086129).

The spelling of 210130055117 in words is "two hundred ten billion, one hundred thirty million, fifty-five thousand, one hundred seventeen".