130203004121 has 2 divisors, whose sum is σ = 130203004122. Its totient is φ = 130203004120.

The previous prime is 130203004103. The next prime is 130203004157. The reversal of 130203004121 is 121400302031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128209828096 + 1993176025 = 358064^2 + 44645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130203004121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130203004121.

It is not a weakly prime, because it can be changed into another prime (130203004021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65101502060 + 65101502061.

It is an arithmetic number, because the mean of its divisors is an integer number (65101502061).

Almost surely, 2^130203004121 is an apocalyptic number.

It is an amenable number.

130203004121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130203004121 is an equidigital number, since it uses as much as digits as its factorization.

130203004121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130203004121 its reverse (121400302031), we get a palindrome (251603306152).

The spelling of 130203004121 in words is "one hundred thirty billion, two hundred three million, four thousand, one hundred twenty-one".