222112302141321 has 6 divisors (see below), whose sum is σ = 320828880870810. Its totient is φ = 148074868094208.

The previous prime is 222112302141283. The next prime is 222112302141347. The reversal of 222112302141321 is 123141203211222.

222112302141321 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 123 + 0 + 214 + 1 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 148053799365696 + 74058502775625 = 12167736^2 + 8605725^2 .

It is not a de Polignac number, because 222112302141321 - 2²⁵ = 222112268586889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222112302141371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12339572341176 + ... + 12339572341193.

It is an arithmetic number, because the mean of its divisors is an integer number (53471480145135).

Almost surely, 2^{222112302141321} is an apocalyptic number.

It is an amenable number.

222112302141321 is a deficient number, since it is larger than the sum of its proper divisors (98716578729489).

222112302141321 is a wasteful number, since it uses less digits than its factorization.

222112302141321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24679144682375 (or 24679144682372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 222112302141321 its reverse (123141203211222), we get a palindrome (345253505352543).

The spelling of 222112302141321 in words is "two hundred twenty-two trillion, one hundred twelve billion, three hundred two million, one hundred forty-one thousand, three hundred twenty-one".