111000021111212 has 12 divisors (see below), whose sum is σ = 196173304637856. Its totient is φ = 54950505500400.

The previous prime is 111000021111209. The next prime is 111000021111227. The reversal of 111000021111212 is 212111120000111.

111000021111212 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, 137376263348 + ... + 137376264155.

It is an arithmetic number, because the mean of its divisors is an integer number (16347775386488).

Almost surely, 2^{111000021111212} is an apocalyptic number.

It is an amenable number.

111000021111212 is a deficient number, since it is larger than the sum of its proper divisors (85173283526644).

111000021111212 is a wasteful number, since it uses less digits than its factorization.

111000021111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274752527608 (or 274752527606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111000021111212 its reverse (212111120000111), we get a palindrome (323111141111323).

The spelling of 111000021111212 in words is "one hundred eleven trillion, twenty-one million, one hundred eleven thousand, two hundred twelve".