111100110212 has 72 divisors (see below), whose sum is σ = 243661856256. Its totient is φ = 43934329152.

The previous prime is 111100110167. The next prime is 111100110221. The reversal of 111100110212 is 212011001111.

It is a junction number, because it is equal to n+sod(n) for n = 111100110193 and 111100110202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7848413 + ... + 7862555.

It is an arithmetic number, because the mean of its divisors is an integer number (3384192448).

Almost surely, 2^111100110212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111100110212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121830928128).

111100110212 is an abundant number, since it is smaller than the sum of its proper divisors (132561746044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111100110212 is a wasteful number, since it uses less digits than its factorization.

111100110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17257 (or 17248 counting only the distinct ones).

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

Adding to 111100110212 its reverse (212011001111), we get a palindrome (323111111323).

The spelling of 111100110212 in words is "one hundred eleven billion, one hundred million, one hundred ten thousand, two hundred twelve".