222002030123 has 4 divisors (see below), whose sum is σ = 225641407728. Its totient is φ = 218362652520.

The previous prime is 222002030059. The next prime is 222002030143. The reversal of 222002030123 is 321030200222.

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 222002030123 - 2⁶ = 222002030059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002030143) 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, 1819688711 + ... + 1819688832.

It is an arithmetic number, because the mean of its divisors is an integer number (56410351932).

Almost surely, 2^222002030123 is an apocalyptic number.

222002030123 is a deficient number, since it is larger than the sum of its proper divisors (3639377605).

222002030123 is an equidigital number, since it uses as much as digits as its factorization.

222002030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639377604.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 222002030123 its reverse (321030200222), we get a palindrome (543032230345).

The spelling of 222002030123 in words is "two hundred twenty-two billion, two million, thirty thousand, one hundred twenty-three".