111222100000012 has 12 divisors (see below), whose sum is σ = 195260523804136. Its totient is φ = 55433378913120.

The previous prime is 111222099999973. The next prime is 111222100000027. The reversal of 111222100000012 is 210000001222111.

It is a junction number, because it is equal to n+sod(n) for n = 111222099999938 and 111222100000001.

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, 44417770314 + ... + 44417772817.

Almost surely, 2^{111222100000012} is an apocalyptic number.

It is an amenable number.

111222100000012 is a deficient number, since it is larger than the sum of its proper divisors (84038423804124).

111222100000012 is a wasteful number, since it uses less digits than its factorization.

111222100000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88835543448 (or 88835543446 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111222100000012 its reverse (210000001222111), we get a palindrome (321222101222123).

The spelling of 111222100000012 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred million, twelve", and thus it is an aban number.