222000310123 has 4 divisors (see below), whose sum is σ = 224494695720. Its totient is φ = 219505924528.

The previous prime is 222000310061. The next prime is 222000310153. The reversal of 222000310123 is 321013000222.

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 222000310123 - 2³⁷ = 84561356651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222000310097 and 222000310106.

It is not an unprimeable number, because it can be changed into a prime (222000310153) 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, 1247192665 + ... + 1247192842.

It is an arithmetic number, because the mean of its divisors is an integer number (56123673930).

Almost surely, 2^222000310123 is an apocalyptic number.

222000310123 is a deficient number, since it is larger than the sum of its proper divisors (2494385597).

222000310123 is an equidigital number, since it uses as much as digits as its factorization.

222000310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494385596.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 222000310123 its reverse (321013000222), we get a palindrome (543013310345).

The spelling of 222000310123 in words is "two hundred twenty-two billion, three hundred ten thousand, one hundred twenty-three".