30130121117 has 2 divisors, whose sum is σ = 30130121118. Its totient is φ = 30130121116.

The previous prime is 30130121053. The next prime is 30130121149. The reversal of 30130121117 is 71112103103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24632046916 + 5498074201 = 156946^2 + 74149^2 .

It is a cyclic number.

It is not a de Polignac number, because 30130121117 - 2⁶ = 30130121053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30130120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065060558 + 15065060559.

It is an arithmetic number, because the mean of its divisors is an integer number (15065060559).

Almost surely, 2^30130121117 is an apocalyptic number.

It is an amenable number.

30130121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30130121117 is an equidigital number, since it uses as much as digits as its factorization.

30130121117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The spelling of 30130121117 in words is "thirty billion, one hundred thirty million, one hundred twenty-one thousand, one hundred seventeen".