111111100202212 has 24 divisors (see below), whose sum is σ = 212639825049120. Its totient is φ = 50381561319360.

The previous prime is 111111100202209. The next prime is 111111100202213. The reversal of 111111100202212 is 212202001111111.

It is not an unprimeable number, because it can be changed into a prime (111111100202213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087087478 + ... + 3087123469.

It is an arithmetic number, because the mean of its divisors is an integer number (8859992710380).

Almost surely, 2^{111111100202212} is an apocalyptic number.

It is an amenable number.

111111100202212 is a deficient number, since it is larger than the sum of its proper divisors (101528724846908).

111111100202212 is a wasteful number, since it uses less digits than its factorization.

111111100202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174211371 (or 6174211369 counting only the distinct ones).

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

Adding to 111111100202212 its reverse (212202001111111), we get a palindrome (323313101313323).

The spelling of 111111100202212 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred million, two hundred two thousand, two hundred twelve".