111212100002112 has 112 divisors (see below), whose sum is σ = 307713972319872. Its totient is φ = 35381339136000.

The previous prime is 111212100002083. The next prime is 111212100002131. The reversal of 111212100002112 is 211200001212111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111212100002091 and 111212100002100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25535389 + ... + 29571612.

Almost surely, 2^{111212100002112} is an apocalyptic number.

111212100002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111212100002112 is an abundant number, since it is smaller than the sum of its proper divisors (196501872317760).

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

111212100002112 is a wasteful number, since it uses less digits than its factorization.

111212100002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55107496 (or 55107486 counting only the distinct ones).

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

Adding to 111212100002112 its reverse (211200001212111), we get a palindrome (322412101214223).

The spelling of 111212100002112 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred million, two thousand, one hundred twelve".