222321123201 has 4 divisors (see below), whose sum is σ = 296428164272. Its totient is φ = 148214082132.

The previous prime is 222321123163. The next prime is 222321123257. The reversal of 222321123201 is 102321123222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222321123201 - 2⁶ = 222321123137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222321127201) 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, 37053520531 + ... + 37053520536.

It is an arithmetic number, because the mean of its divisors is an integer number (74107041068).

Almost surely, 2^222321123201 is an apocalyptic number.

It is an amenable number.

222321123201 is a deficient number, since it is larger than the sum of its proper divisors (74107041071).

222321123201 is an equidigital number, since it uses as much as digits as its factorization.

222321123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74107041070.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222321123201 its sum of digits (21), we get a palindrome (222321123222).

Adding to 222321123201 its reverse (102321123222), we get a palindrome (324642246423).

The spelling of 222321123201 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred one".