222112310020321 has 6 divisors (see below), whose sum is σ = 258375544309410. Its totient is φ = 190381980017376.

The previous prime is 222112310020301. The next prime is 222112310020339. The reversal of 222112310020321 is 123020013211222.

It can be written as a sum of positive squares in only one way, i.e., 216574312663296 + 5537997357025 = 14716464^2 + 2353295^2 .

It is not a de Polignac number, because 222112310020321 - 2¹³ = 222112310012129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222112310020292 and 222112310020301.

It is not an unprimeable number, because it can be changed into a prime (222112310020301) 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, 2266452143016 + ... + 2266452143113.

It is an arithmetic number, because the mean of its divisors is an integer number (43062590718235).

Almost surely, 2^{222112310020321} is an apocalyptic number.

It is an amenable number.

222112310020321 is a deficient number, since it is larger than the sum of its proper divisors (36263234289089).

222112310020321 is an equidigital number, since it uses as much as digits as its factorization.

222112310020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532904286143 (or 4532904286136 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 222112310020321 its reverse (123020013211222), we get a palindrome (345132323231543).

The spelling of 222112310020321 in words is "two hundred twenty-two trillion, one hundred twelve billion, three hundred ten million, twenty thousand, three hundred twenty-one".