13222110231112 has 8 divisors (see below), whose sum is σ = 24791456683350. Its totient is φ = 6611055115552.

The previous prime is 13222110231091. The next prime is 13222110231131. The reversal of 13222110231112 is 21113201122231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12727527164356 + 494583066756 = 3567566^2 + 703266^2 .

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

It is an unprimeable number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826381889437 + ... + 826381889452.

Almost surely, 2^{13222110231112} is an apocalyptic number.

It is an amenable number.

13222110231112 is a deficient number, since it is larger than the sum of its proper divisors (11569346452238).

13222110231112 is a wasteful number, since it uses less digits than its factorization.

13222110231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652763778895 (or 1652763778891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13222110231112 its reverse (21113201122231), we get a palindrome (34335311353343).

The spelling of 13222110231112 in words is "thirteen trillion, two hundred twenty-two billion, one hundred ten million, two hundred thirty-one thousand, one hundred twelve".