1123130100001 has 24 divisors (see below), whose sum is σ = 1408847635944. Its totient is φ = 887462311680.

The previous prime is 1123130099977. The next prime is 1123130100047. The reversal of 1123130100001 is 1000010313211.

It can be written as a sum of positive squares in 4 ways, for example, as 237827880976 + 885302219025 = 487676^2 + 940905^2 .

It is not a de Polignac number, because 1123130100001 - 2⁹ = 1123130099489 is a prime.

It is a super-2 number, since 2×1123130100001² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1123130100091) 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 in 23 ways as a sum of consecutive naturals, for example, 673690 + ... + 1643203.

It is an arithmetic number, because the mean of its divisors is an integer number (58701984831).

Almost surely, 2^{1123130100001} is an apocalyptic number.

It is an amenable number.

1123130100001 is a deficient number, since it is larger than the sum of its proper divisors (285717535943).

1123130100001 is a wasteful number, since it uses less digits than its factorization.

1123130100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317681 (or 2317674 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1123130100001 its reverse (1000010313211), we get a palindrome (2123140413212).

The spelling of 1123130100001 in words is "one trillion, one hundred twenty-three billion, one hundred thirty million, one hundred thousand, one".