1123140111001 has 8 divisors (see below), whose sum is σ = 1202569056360. Its totient is φ = 1045195819008.

The previous prime is 1123140110977. The next prime is 1123140111073. The reversal of 1123140111001 is 1001110413211.

It can be written as a sum of positive squares in 4 ways, for example, as 153064825225 + 970075285776 = 391235^2 + 984924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123140111001 - 2¹¹ = 1123140108953 is a prime.

It is a super-2 number, since 2×1123140111001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123140111901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371161776 + ... + 371164801.

It is an arithmetic number, because the mean of its divisors is an integer number (150321132045).

Almost surely, 2^{1123140111001} is an apocalyptic number.

It is an amenable number.

1123140111001 is a deficient number, since it is larger than the sum of its proper divisors (79428945359).

1123140111001 is an equidigital number, since it uses as much as digits as its factorization.

1123140111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742326683.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1123140111001 its reverse (1001110413211), we get a palindrome (2124250524212).

The spelling of 1123140111001 in words is "one trillion, one hundred twenty-three billion, one hundred forty million, one hundred eleven thousand, one".