222112302122321 has 8 divisors (see below), whose sum is σ = 239202194049000. Its totient is φ = 205023028799232.

The previous prime is 222112302122287. The next prime is 222112302122357. The reversal of 222112302122321 is 123221203211222.

It can be written as a sum of positive squares in 4 ways, for example, as 64448141761600 + 157664160360721 = 8027960^2 + 12556439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222112302122321 - 2¹⁴ = 222112302105937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222112302127321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153905030 + ... + 155341503.

It is an arithmetic number, because the mean of its divisors is an integer number (29900274256125).

Almost surely, 2^{222112302122321} is an apocalyptic number.

It is an amenable number.

222112302122321 is a deficient number, since it is larger than the sum of its proper divisors (17089891926679).

222112302122321 is a wasteful number, since it uses less digits than its factorization.

222112302122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309301795.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 222112302122321 its reverse (123221203211222), we get a palindrome (345333505333543).

The spelling of 222112302122321 in words is "two hundred twenty-two trillion, one hundred twelve billion, three hundred two million, one hundred twenty-two thousand, three hundred twenty-one".