1123022130121 has 2 divisors, whose sum is σ = 1123022130122. Its totient is φ = 1123022130120.

The previous prime is 1123022130067. The next prime is 1123022130163. The reversal of 1123022130121 is 1210312203211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110365880121 + 12656250000 = 1053739^2 + 112500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123022130121 - 2²³ = 1123013741513 is a prime.

It is a super-2 number, since 2×1123022130121² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123022130221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561511065060 + 561511065061.

It is an arithmetic number, because the mean of its divisors is an integer number (561511065061).

Almost surely, 2^{1123022130121} is an apocalyptic number.

It is an amenable number.

1123022130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123022130121 is an equidigital number, since it uses as much as digits as its factorization.

1123022130121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123022130121 its reverse (1210312203211), we get a palindrome (2333334333332).

The spelling of 1123022130121 in words is "one trillion, one hundred twenty-three billion, twenty-two million, one hundred thirty thousand, one hundred twenty-one".