111222110120012 has 12 divisors (see below), whose sum is σ = 194662525103760. Its totient is φ = 55604245804656.

The previous prime is 111222110119961. The next prime is 111222110120047. The reversal of 111222110120012 is 210021011222111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702277087 + ... + 1702342422.

It is an arithmetic number, because the mean of its divisors is an integer number (16221877091980).

Almost surely, 2^{111222110120012} is an apocalyptic number.

It is an amenable number.

111222110120012 is a deficient number, since it is larger than the sum of its proper divisors (83440414983748).

111222110120012 is a wasteful number, since it uses less digits than its factorization.

111222110120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404627680 (or 3404627678 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111222110120012 its reverse (210021011222111), we get a palindrome (321243121342123).

The spelling of 111222110120012 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty thousand, twelve".