222303333121 has 2 divisors, whose sum is σ = 222303333122. Its totient is φ = 222303333120.

The previous prime is 222303333071. The next prime is 222303333127. The reversal of 222303333121 is 121333303222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221954054400 + 349278721 = 471120^2 + 18689^2 .

It is a cyclic number.

It is not a de Polignac number, because 222303333121 - 2⁹ = 222303332609 is a prime.

It is not a weakly prime, because it can be changed into another prime (222303333127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151666560 + 111151666561.

It is an arithmetic number, because the mean of its divisors is an integer number (111151666561).

Almost surely, 2^222303333121 is an apocalyptic number.

It is an amenable number.

222303333121 is a deficient number, since it is larger than the sum of its proper divisors (1).

222303333121 is an equidigital number, since it uses as much as digits as its factorization.

222303333121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 222303333121 its reverse (121333303222), we get a palindrome (343636636343).

The spelling of 222303333121 in words is "two hundred twenty-two billion, three hundred three million, three hundred thirty-three thousand, one hundred twenty-one".