111110220100212 has 12 divisors (see below), whose sum is σ = 259257180233856. Its totient is φ = 37036740033400.

The previous prime is 111110220100163. The next prime is 111110220100213. The reversal of 111110220100212 is 212001022011111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 111110220100191 and 111110220100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110220100213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629592504164 + ... + 4629592504187.

It is an arithmetic number, because the mean of its divisors is an integer number (21604765019488).

Almost surely, 2^{111110220100212} is an apocalyptic number.

111110220100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111110220100212 is an abundant number, since it is smaller than the sum of its proper divisors (148146960133644).

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

111110220100212 is a wasteful number, since it uses less digits than its factorization.

111110220100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259185008358 (or 9259185008356 counting only the distinct ones).

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

Adding to 111110220100212 its reverse (212001022011111), we get a palindrome (323111242111323).

The spelling of 111110220100212 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty million, one hundred thousand, two hundred twelve".