222112102101111 has 16 divisors (see below), whose sum is σ = 329056435884000. Its totient is φ = 148074073320384.

The previous prime is 222112102101107. The next prime is 222112102101173. The reversal of 222112102101111 is 111101201211222.

It is a happy number.

222112102101111 is a `hidden beast` number, since 2 + 221 + 1 + 210 + 210 + 11 + 11 = 666.

It is not a de Polignac number, because 222112102101111 - 2² = 222112102101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112102101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12178036 + ... + 24341913.

It is an arithmetic number, because the mean of its divisors is an integer number (20566027242750).

Almost surely, 2^{222112102101111} is an apocalyptic number.

222112102101111 is a deficient number, since it is larger than the sum of its proper divisors (106944333782889).

222112102101111 is a wasteful number, since it uses less digits than its factorization.

222112102101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36745215 (or 36745209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222112102101111 its reverse (111101201211222), we get a palindrome (333213303312333).

The spelling of 222112102101111 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred one thousand, one hundred eleven".