111112102012212 has 36 divisors (see below), whose sum is σ = 320990516924896. Its totient is φ = 31746314860560.

The previous prime is 111112102012139. The next prime is 111112102012217. The reversal of 111112102012212 is 212210201211111.

It is a happy number.

111112102012212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112102012217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220460519614 + ... + 220460520117.

Almost surely, 2^{111112102012212} is an apocalyptic number.

111112102012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111112102012212 is an abundant number, since it is smaller than the sum of its proper divisors (209878414912684).

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

111112102012212 is a wasteful number, since it uses less digits than its factorization.

111112102012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440921039748 (or 440921039743 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111112102012212 its reverse (212210201211111), we get a palindrome (323322303223323).

The spelling of 111112102012212 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred two million, twelve thousand, two hundred twelve".