1121131302013 has 2 divisors, whose sum is σ = 1121131302014. Its totient is φ = 1121131302012.

The previous prime is 1121131301987. The next prime is 1121131302041. The reversal of 1121131302013 is 3102031311211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120966385049 + 164916964 = 1058757^2 + 12842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121131302013 - 2¹⁷ = 1121131170941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121131302073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560565651006 + 560565651007.

It is an arithmetic number, because the mean of its divisors is an integer number (560565651007).

Almost surely, 2^{1121131302013} is an apocalyptic number.

It is an amenable number.

1121131302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121131302013 is an equidigital number, since it uses as much as digits as its factorization.

1121131302013 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 1121131302013 its reverse (3102031311211), we get a palindrome (4223162613224).

The spelling of 1121131302013 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-one million, three hundred two thousand, thirteen".