111000110001212 has 12 divisors (see below), whose sum is σ = 194250378681576. Its totient is φ = 55500001806480.

The previous prime is 111000110001203. The next prime is 111000110001223. The reversal of 111000110001212 is 212100011000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000110001193 and 111000110001202.

It is a congruent number.

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, 8403239 + ... + 17105982.

It is an arithmetic number, because the mean of its divisors is an integer number (16187531556798).

Almost surely, 2^{111000110001212} is an apocalyptic number.

It is an amenable number.

111000110001212 is a deficient number, since it is larger than the sum of its proper divisors (83250268680364).

111000110001212 is a wasteful number, since it uses less digits than its factorization.

111000110001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26597068 (or 26597066 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111000110001212 its reverse (212100011000111), we get a palindrome (323100121001323).

The spelling of 111000110001212 in words is "one hundred eleven trillion, one hundred ten million, one thousand, two hundred twelve".