222120111127 has 2 divisors, whose sum is σ = 222120111128. Its totient is φ = 222120111126.

The previous prime is 222120111071. The next prime is 222120111163. The reversal of 222120111127 is 721111021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222120111127 - 2⁷ = 222120110999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222120111098 and 222120111107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060055563 + 111060055564.

It is an arithmetic number, because the mean of its divisors is an integer number (111060055564).

Almost surely, 2^222120111127 is an apocalyptic number.

222120111127 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120111127 is an equidigital number, since it uses as much as digits as its factorization.

222120111127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 222120111127 its reverse (721111021222), we get a palindrome (943231132349).

The spelling of 222120111127 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-seven".