1123112133001 has 4 divisors (see below), whose sum is σ = 1153466515012. Its totient is φ = 1092757750992.

The previous prime is 1123112132999. The next prime is 1123112133053. The reversal of 1123112133001 is 1003312113211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 981438936976 + 141673196025 = 990676^2 + 376395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123112133001 - 2¹ = 1123112132999 is a prime.

It is a super-2 number, since 2×1123112133001² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123112133001.

It is not an unprimeable number, because it can be changed into a prime (1123112133601) 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 3 ways as a sum of consecutive naturals, for example, 15177190950 + ... + 15177191023.

It is an arithmetic number, because the mean of its divisors is an integer number (288366628753).

Almost surely, 2^{1123112133001} is an apocalyptic number.

It is an amenable number.

1123112133001 is a deficient number, since it is larger than the sum of its proper divisors (30354382011).

1123112133001 is an equidigital number, since it uses as much as digits as its factorization.

1123112133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30354382010.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1123112133001 its reverse (1003312113211), we get a palindrome (2126424246212).

The spelling of 1123112133001 in words is "one trillion, one hundred twenty-three billion, one hundred twelve million, one hundred thirty-three thousand, one".