2161133324103 has 8 divisors (see below), whose sum is σ = 3103165798768. Its totient is φ = 1329928199424.

The previous prime is 2161133324093. The next prime is 2161133324111. The reversal of 2161133324103 is 3014233311612.

It is a happy number.

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

It is not a de Polignac number, because 2161133324103 - 2¹⁰ = 2161133323079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161133324003) 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, 27706837450 + ... + 27706837527.

It is an arithmetic number, because the mean of its divisors is an integer number (387895724846).

Almost surely, 2^{2161133324103} is an apocalyptic number.

2161133324103 is a deficient number, since it is larger than the sum of its proper divisors (942032474665).

2161133324103 is a wasteful number, since it uses less digits than its factorization.

2161133324103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55413674993.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 2161133324103 its reverse (3014233311612), we get a palindrome (5175366635715).

The spelling of 2161133324103 in words is "two trillion, one hundred sixty-one billion, one hundred thirty-three million, three hundred twenty-four thousand, one hundred three".