222332032121 has 2 divisors, whose sum is σ = 222332032122. Its totient is φ = 222332032120.

The previous prime is 222332032079. The next prime is 222332032133. The reversal of 222332032121 is 121230233222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112903392121 + 109428640000 = 336011^2 + 330800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222332032121 is a prime.

It is not a weakly prime, because it can be changed into another prime (222332032141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111166016060 + 111166016061.

It is an arithmetic number, because the mean of its divisors is an integer number (111166016061).

Almost surely, 2^222332032121 is an apocalyptic number.

It is an amenable number.

222332032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

222332032121 is an equidigital number, since it uses as much as digits as its factorization.

222332032121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222332032121 its reverse (121230233222), we get a palindrome (343562265343).

The spelling of 222332032121 in words is "two hundred twenty-two billion, three hundred thirty-two million, thirty-two thousand, one hundred twenty-one".