222321020123 has 2 divisors, whose sum is σ = 222321020124. Its totient is φ = 222321020122.

The previous prime is 222321020111. The next prime is 222321020143. The reversal of 222321020123 is 321020123222.

It is a happy number.

It is an a-pointer prime, because the next prime (222321020143) can be obtained adding 222321020123 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222321020123 - 2²⁰ = 222319971547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222321020095 and 222321020104.

It is not a weakly prime, because it can be changed into another prime (222321020143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160510061 + 111160510062.

It is an arithmetic number, because the mean of its divisors is an integer number (111160510062).

Almost surely, 2^222321020123 is an apocalyptic number.

222321020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321020123 is an equidigital number, since it uses as much as digits as its factorization.

222321020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222321020123 its reverse (321020123222), we get a palindrome (543341143345).

The spelling of 222321020123 in words is "two hundred twenty-two billion, three hundred twenty-one million, twenty thousand, one hundred twenty-three".