222022112123 has 4 divisors (see below), whose sum is σ = 253739556720. Its totient is φ = 190304667528.

The previous prime is 222022112113. The next prime is 222022112141. The reversal of 222022112123 is 321211220222.

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

It is a cyclic number.

It is not a de Polignac number, because 222022112123 - 2¹⁴ = 222022095739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222022112095 and 222022112104.

It is not an unprimeable number, because it can be changed into a prime (222022112113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15858722288 + ... + 15858722301.

It is an arithmetic number, because the mean of its divisors is an integer number (63434889180).

Almost surely, 2^222022112123 is an apocalyptic number.

222022112123 is a deficient number, since it is larger than the sum of its proper divisors (31717444597).

222022112123 is an equidigital number, since it uses as much as digits as its factorization.

222022112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31717444596.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222022112123 its reverse (321211220222), we get a palindrome (543233332345).

The spelling of 222022112123 in words is "two hundred twenty-two billion, twenty-two million, one hundred twelve thousand, one hundred twenty-three".