1123030113001 has 2 divisors, whose sum is σ = 1123030113002. Its totient is φ = 1123030113000.

The previous prime is 1123030112999. The next prime is 1123030113017. The reversal of 1123030113001 is 1003110303211.

It is an a-pointer prime, because the next prime (1123030113017) can be obtained adding 1123030113001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959772902400 + 163257210601 = 979680^2 + 404051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123030113001 - 2¹ = 1123030112999 is a prime.

It is a super-2 number, since 2×1123030113001² (a number of 25 digits) contains 22 as substring.

Together with 1123030112999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1123030113091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561515056500 + 561515056501.

It is an arithmetic number, because the mean of its divisors is an integer number (561515056501).

Almost surely, 2^{1123030113001} is an apocalyptic number.

It is an amenable number.

1123030113001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030113001 is an equidigital number, since it uses as much as digits as its factorization.

1123030113001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1123030113001 its reverse (1003110303211), we get a palindrome (2126140416212).

The spelling of 1123030113001 in words is "one trillion, one hundred twenty-three billion, thirty million, one hundred thirteen thousand, one".