1123313010121 has 2 divisors, whose sum is σ = 1123313010122. Its totient is φ = 1123313010120.

The previous prime is 1123313010073. The next prime is 1123313010173. The reversal of 1123313010121 is 1210103133211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050717252025 + 72595758096 = 1025045^2 + 269436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123313010121 - 2¹⁷ = 1123312879049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123313010221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561656505060 + 561656505061.

It is an arithmetic number, because the mean of its divisors is an integer number (561656505061).

Almost surely, 2^{1123313010121} is an apocalyptic number.

It is an amenable number.

1123313010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123313010121 is an equidigital number, since it uses as much as digits as its factorization.

1123313010121 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 1123313010121 its reverse (1210103133211), we get a palindrome (2333416143332).

The spelling of 1123313010121 in words is "one trillion, one hundred twenty-three billion, three hundred thirteen million, ten thousand, one hundred twenty-one".