222120111112 has 8 divisors (see below), whose sum is σ = 416475208350. Its totient is φ = 111060055552.

The previous prime is 222120111071. The next prime is 222120111127. The reversal of 222120111112 is 211111021222.

It can be written as a sum of positive squares in only one way, i.e., 165881885796 + 56238225316 = 407286^2 + 237146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13882506937 + ... + 13882506952.

Almost surely, 2^222120111112 is an apocalyptic number.

It is an amenable number.

222120111112 is a deficient number, since it is larger than the sum of its proper divisors (194355097238).

222120111112 is a wasteful number, since it uses less digits than its factorization.

222120111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27765013895 (or 27765013891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222120111112 its reverse (211111021222), we get a palindrome (433231132334).

The spelling of 222120111112 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred twelve".