222221201021233 has 2 divisors, whose sum is σ = 222221201021234. Its totient is φ = 222221201021232.

The previous prime is 222221201021189. The next prime is 222221201021257. The reversal of 222221201021233 is 332120102122222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203845635612304 + 18375565408929 = 14277452^2 + 4286673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222221201021233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222221201021198 and 222221201021207.

It is not a weakly prime, because it can be changed into another prime (222221201021933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110600510616 + 111110600510617.

It is an arithmetic number, because the mean of its divisors is an integer number (111110600510617).

Almost surely, 2^{222221201021233} is an apocalyptic number.

It is an amenable number.

222221201021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221201021233 is an equidigital number, since it uses as much as digits as its factorization.

222221201021233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 222221201021233 its reverse (332120102122222), we get a palindrome (554341303143455).

The spelling of 222221201021233 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred one million, twenty-one thousand, two hundred thirty-three".