111112220220012 has 48 divisors (see below), whose sum is σ = 314256784464000. Its totient is φ = 33670369763280.

The previous prime is 111112220219993. The next prime is 111112220220017. The reversal of 111112220220012 is 210022022211111.

111112220220012 is a `hidden beast` number, since 111 + 112 + 220 + 220 + 0 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (111112220220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46764401262 + ... + 46764403637.

It is an arithmetic number, because the mean of its divisors is an integer number (6547016343000).

Almost surely, 2^{111112220220012} is an apocalyptic number.

111112220220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111112220220012 is an abundant number, since it is smaller than the sum of its proper divisors (203144564243988).

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

111112220220012 is a wasteful number, since it uses less digits than its factorization.

111112220220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93528804923 (or 93528804915 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111112220220012 its reverse (210022022211111), we get a palindrome (321134242431123).

The spelling of 111112220220012 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty thousand, twelve".