222111221201112 has 32 divisors (see below), whose sum is σ = 559516816774080. Its totient is φ = 73471905230880.

The previous prime is 222111221201047. The next prime is 222111221201167. The reversal of 222111221201112 is 211102122111222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35323028218 + ... + 35323034505.

It is an arithmetic number, because the mean of its divisors is an integer number (17484900524190).

Almost surely, 2^{222111221201112} is an apocalyptic number.

It is an amenable number.

222111221201112 is an abundant number, since it is smaller than the sum of its proper divisors (337405595572968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222111221201112 is a wasteful number, since it uses less digits than its factorization.

222111221201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70646062863 (or 70646062859 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222111221201112 its reverse (211102122111222), we get a palindrome (433213343312334).

The spelling of 222111221201112 in words is "two hundred twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, one hundred twelve".