222112422214321 has 4 divisors (see below), whose sum is σ = 222240588645492. Its totient is φ = 221984255783152.

The previous prime is 222112422214307. The next prime is 222112422214343. The reversal of 222112422214321 is 123412224211222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31271459383921 + 190840962830400 = 5592089^2 + 13814520^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112422214321 - 2¹¹ = 222112422212273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112422214381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64083212986 + ... + 64083216451.

It is an arithmetic number, because the mean of its divisors is an integer number (55560147161373).

Almost surely, 2^{222112422214321} is an apocalyptic number.

It is an amenable number.

222112422214321 is a deficient number, since it is larger than the sum of its proper divisors (128166431171).

222112422214321 is a wasteful number, since it uses less digits than its factorization.

222112422214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128166431170.

The product of its digits is 12288, while the sum is 31.

Adding to 222112422214321 its reverse (123412224211222), we get a palindrome (345524646425543).

The spelling of 222112422214321 in words is "two hundred twenty-two trillion, one hundred twelve billion, four hundred twenty-two million, two hundred fourteen thousand, three hundred twenty-one".