222111013112111 has 2 divisors, whose sum is σ = 222111013112112. Its totient is φ = 222111013112110.

The previous prime is 222111013112081. The next prime is 222111013112207. The reversal of 222111013112111 is 111211310111222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222111013112111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222111013162111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055506556055 + 111055506556056.

It is an arithmetic number, because the mean of its divisors is an integer number (111055506556056).

Almost surely, 2^{222111013112111} is an apocalyptic number.

222111013112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111013112111 is an equidigital number, since it uses as much as digits as its factorization.

222111013112111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 222111013112111 its reverse (111211310111222), we get a palindrome (333322323223333).

The spelling of 222111013112111 in words is "two hundred twenty-two trillion, one hundred eleven billion, thirteen million, one hundred twelve thousand, one hundred eleven".