111100102012212 has 24 divisors (see below), whose sum is σ = 259512617212800. Its totient is φ = 36993503644416.

The previous prime is 111100102012199. The next prime is 111100102012217. The reversal of 111100102012212 is 212210201001111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111100102012191 and 111100102012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100102012217) 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, 4982950012 + ... + 4982972307.

It is an arithmetic number, because the mean of its divisors is an integer number (10813025717200).

Almost surely, 2^{111100102012212} is an apocalyptic number.

111100102012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111100102012212 is an abundant number, since it is smaller than the sum of its proper divisors (148412515200588).

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

111100102012212 is a wasteful number, since it uses less digits than its factorization.

111100102012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965923255 (or 9965923253 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111100102012212 its reverse (212210201001111), we get a palindrome (323310303013323).

The spelling of 111100102012212 in words is "one hundred eleven trillion, one hundred billion, one hundred two million, twelve thousand, two hundred twelve".