222221031112 has 8 divisors (see below), whose sum is σ = 416664433350. Its totient is φ = 111110515552.

The previous prime is 222221031089. The next prime is 222221031127. The reversal of 222221031112 is 211130122222.

It can be written as a sum of positive squares in only one way, i.e., 180868181796 + 41352849316 = 425286^2 + 203354^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 222221031112.

It is an unprimeable number.

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, 13888814437 + ... + 13888814452.

Almost surely, 2^222221031112 is an apocalyptic number.

It is an amenable number.

222221031112 is a deficient number, since it is larger than the sum of its proper divisors (194443402238).

222221031112 is a wasteful number, since it uses less digits than its factorization.

222221031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777628895 (or 27777628891 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 222221031112 its reverse (211130122222), we get a palindrome (433351153334).

The spelling of 222221031112 in words is "two hundred twenty-two billion, two hundred twenty-one million, thirty-one thousand, one hundred twelve".