111211002112212 has 24 divisors (see below), whose sum is σ = 288324820291200. Its totient is φ = 37070334037368.

The previous prime is 111211002112163. The next prime is 111211002112279. The reversal of 111211002112212 is 212211200112111.

It is a happy number.

111211002112212 is a `hidden beast` number, since 11 + 121 + 100 + 211 + 221 + 2 = 666.

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

It is a congruent number.

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, 514865750412 + ... + 514865750627.

It is an arithmetic number, because the mean of its divisors is an integer number (12013534178800).

Almost surely, 2^{111211002112212} is an apocalyptic number.

111211002112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111211002112212 is an abundant number, since it is smaller than the sum of its proper divisors (177113818178988).

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

111211002112212 is a wasteful number, since it uses less digits than its factorization.

111211002112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029731501052 (or 1029731501044 counting only the distinct ones).

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

Adding to 111211002112212 its reverse (212211200112111), we get a palindrome (323422202224323).

The spelling of 111211002112212 in words is "one hundred eleven trillion, two hundred eleven billion, two million, one hundred twelve thousand, two hundred twelve".