222200121223 has 2 divisors, whose sum is σ = 222200121224. Its totient is φ = 222200121222.

The previous prime is 222200121217. The next prime is 222200121259. The reversal of 222200121223 is 322121002222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222200121223 - 2²¹ = 222198024071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222200121223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222200121323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100060611 + 111100060612.

It is an arithmetic number, because the mean of its divisors is an integer number (111100060612).

Almost surely, 2^222200121223 is an apocalyptic number.

222200121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

222200121223 is an equidigital number, since it uses as much as digits as its factorization.

222200121223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222200121223 its reverse (322121002222), we get a palindrome (544321123445).

The spelling of 222200121223 in words is "two hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred twenty-three".