222123321201 has 16 divisors (see below), whose sum is σ = 306649949760. Its totient is φ = 142848552000.

The previous prime is 222123321193. The next prime is 222123321229. The reversal of 222123321201 is 102123321222.

It is not a de Polignac number, because 222123321201 - 2³ = 222123321193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222123321241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039050 + ... + 1234451.

It is an arithmetic number, because the mean of its divisors is an integer number (19165621860).

Almost surely, 2^222123321201 is an apocalyptic number.

It is an amenable number.

222123321201 is a deficient number, since it is larger than the sum of its proper divisors (84526628559).

222123321201 is a wasteful number, since it uses less digits than its factorization.

222123321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274656.

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

Adding to 222123321201 its sum of digits (21), we get a palindrome (222123321222).

Adding to 222123321201 its reverse (102123321222), we get a palindrome (324246642423).

The spelling of 222123321201 in words is "two hundred twenty-two billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred one".