2123324121 has 8 divisors (see below), whose sum is σ = 2832167104. Its totient is φ = 1415015280.

The previous prime is 2123324087. The next prime is 2123324179. The reversal of 2123324121 is 1214233212.

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

It is not a de Polignac number, because 2123324121 - 2¹⁷ = 2123193049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123324221) 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, 124165 + ... + 140226.

It is an arithmetic number, because the mean of its divisors is an integer number (354020888).

Almost surely, 2^2123324121 is an apocalyptic number.

It is an amenable number.

2123324121 is a deficient number, since it is larger than the sum of its proper divisors (708842983).

2123324121 is a wasteful number, since it uses less digits than its factorization.

2123324121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267071.

The product of its digits is 576, while the sum is 21.

The square root of 2123324121 is about 46079.5412412060. The cubic root of 2123324121 is about 1285.3027333588.

Adding to 2123324121 its reverse (1214233212), we get a palindrome (3337557333).

Subtracting from 2123324121 its reverse (1214233212), we obtain a palindrome (909090909).

It can be divided in two parts, 21233 and 24121, that added together give a palindrome (45354).

The spelling of 2123324121 in words is "two billion, one hundred twenty-three million, three hundred twenty-four thousand, one hundred twenty-one".