222122012200111 has 2 divisors, whose sum is σ = 222122012200112. Its totient is φ = 222122012200110.

The previous prime is 222122012200097. The next prime is 222122012200163. The reversal of 222122012200111 is 111002210221222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222122012200111 - 2²⁷ = 222121877982383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122012200171) 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, 111061006100055 + 111061006100056.

It is an arithmetic number, because the mean of its divisors is an integer number (111061006100056).

Almost surely, 2^{222122012200111} is an apocalyptic number.

222122012200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122012200111 is an equidigital number, since it uses as much as digits as its factorization.

222122012200111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222122012200111 its reverse (111002210221222), we get a palindrome (333124222421333).

The spelling of 222122012200111 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, twelve million, two hundred thousand, one hundred eleven".