2124222123 has 8 divisors (see below), whose sum is σ = 2832994768. Its totient is φ = 1415798784.

The previous prime is 2124222103. The next prime is 2124222137. The reversal of 2124222123 is 3212224212.

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

It is not a de Polignac number, because 2124222123 - 2¹² = 2124218027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124222123.

It is not an unprimeable number, because it can be changed into a prime (2124222103) 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 7 ways as a sum of consecutive naturals, for example, 72790 + ... + 97707.

It is an arithmetic number, because the mean of its divisors is an integer number (354124346).

Almost surely, 2^2124222123 is an apocalyptic number.

2124222123 is a deficient number, since it is larger than the sum of its proper divisors (708772645).

2124222123 is a wasteful number, since it uses less digits than its factorization.

2124222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174653.

The product of its digits is 768, while the sum is 21.

The square root of 2124222123 is about 46089.2842535008. The cubic root of 2124222123 is about 1285.4839023945.

Adding to 2124222123 its reverse (3212224212), we get a palindrome (5336446335).

It can be divided in two parts, 21242 and 22123, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 2124222123 in words is "two billion, one hundred twenty-four million, two hundred twenty-two thousand, one hundred twenty-three".