111110112122212 has 48 divisors (see below), whose sum is σ = 229896899406720. Its totient is φ = 45973816358400.

The previous prime is 111110112122179. The next prime is 111110112122213. The reversal of 111110112122212 is 212221211011111.

It is a self number, because there is not a number n which added to its sum of digits gives 111110112122212.

It is not an unprimeable number, because it can be changed into a prime (111110112122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9316287 + ... + 17578777.

It is an arithmetic number, because the mean of its divisors is an integer number (4789518737640).

Almost surely, 2^{111110112122212} is an apocalyptic number.

It is an amenable number.

111110112122212 is an abundant number, since it is smaller than the sum of its proper divisors (118786787284508).

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

111110112122212 is a wasteful number, since it uses less digits than its factorization.

111110112122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279092 (or 8279090 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111110112122212 its reverse (212221211011111), we get a palindrome (323331323133323).

The spelling of 111110112122212 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twelve".