111100111122212 has 12 divisors (see below), whose sum is σ = 194432428001280. Its totient is φ = 55547988836136.

The previous prime is 111100111122197. The next prime is 111100111122223. The reversal of 111100111122212 is 212221111001111.

111100111122212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 516560288 + ... + 516775319.

It is an arithmetic number, because the mean of its divisors is an integer number (16202702333440).

Almost surely, 2^{111100111122212} is an apocalyptic number.

It is an amenable number.

111100111122212 is a deficient number, since it is larger than the sum of its proper divisors (83332316879068).

111100111122212 is a wasteful number, since it uses less digits than its factorization.

111100111122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033362490 (or 1033362488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111100111122212 its reverse (212221111001111), we get a palindrome (323321222123323).

The spelling of 111100111122212 in words is "one hundred eleven trillion, one hundred billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".