222112120002077 has 2 divisors, whose sum is σ = 222112120002078. Its totient is φ = 222112120002076.

The previous prime is 222112120002013. The next prime is 222112120002079. The reversal of 222112120002077 is 770200021211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111206178248356 + 110905941753721 = 10545434^2 + 10531189^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112120002077 - 2⁶ = 222112120002013 is a prime.

Together with 222112120002079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112120002079) 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, 111056060001038 + 111056060001039.

It is an arithmetic number, because the mean of its divisors is an integer number (111056060001039).

Almost surely, 2^{222112120002077} is an apocalyptic number.

It is an amenable number.

222112120002077 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112120002077 is an equidigital number, since it uses as much as digits as its factorization.

222112120002077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 222112120002077 its reverse (770200021211222), we get a palindrome (992312141213299).

The spelling of 222112120002077 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty million, two thousand, seventy-seven".