1130203113121 has 2 divisors, whose sum is σ = 1130203113122. Its totient is φ = 1130203113120.

The previous prime is 1130203113113. The next prime is 1130203113187. The reversal of 1130203113121 is 1213113020311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097803113121 + 32400000000 = 1047761^2 + 180000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130203113121 - 2³ = 1130203113113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130203113191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565101556560 + 565101556561.

It is an arithmetic number, because the mean of its divisors is an integer number (565101556561).

Almost surely, 2^{1130203113121} is an apocalyptic number.

It is an amenable number.

1130203113121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130203113121 is an equidigital number, since it uses as much as digits as its factorization.

1130203113121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1130203113121 its reverse (1213113020311), we get a palindrome (2343316133432).

The spelling of 1130203113121 in words is "one trillion, one hundred thirty billion, two hundred three million, one hundred thirteen thousand, one hundred twenty-one".