222321321123 has 32 divisors (see below), whose sum is σ = 328002711552. Its totient is φ = 132813424800.

The previous prime is 222321321109. The next prime is 222321321139. The reversal of 222321321123 is 321123123222.

It is not a de Polignac number, because 222321321123 - 2¹⁸ = 222321058979 is a prime.

It is a super-2 number, since 2×222321321123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222321321093 and 222321321102.

It is not an unprimeable number, because it can be changed into a prime (222321321143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15979336 + ... + 15993242.

It is an arithmetic number, because the mean of its divisors is an integer number (10250084736).

Almost surely, 2^222321321123 is an apocalyptic number.

222321321123 is a deficient number, since it is larger than the sum of its proper divisors (105681390429).

222321321123 is a wasteful number, since it uses less digits than its factorization.

222321321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20815.

The product of its digits is 1728, while the sum is 24.

Adding to 222321321123 its reverse (321123123222), we get a palindrome (543444444345).

The spelling of 222321321123 in words is "two hundred twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-three".