111112220212112 has 40 divisors (see below), whose sum is σ = 246036134512896. Its totient is φ = 47619148893696.

The previous prime is 111112220212051. The next prime is 111112220212127. The reversal of 111112220212112 is 211212022211111.

It is a happy number.

It is a super-3 number, since 3×111112220212112³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10667513 + ... + 18330855.

Almost surely, 2^{111112220212112} is an apocalyptic number.

It is an amenable number.

111112220212112 is an abundant number, since it is smaller than the sum of its proper divisors (134923914300784).

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

111112220212112 is a wasteful number, since it uses less digits than its factorization.

111112220212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792815 (or 7792809 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111112220212112 its reverse (211212022211111), we get a palindrome (322324242423223).

The spelling of 111112220212112 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred twelve".