111001112101212 has 48 divisors (see below), whose sum is σ = 262873902762240. Its totient is φ = 36447350239872.

The previous prime is 111001112101183. The next prime is 111001112101261. The reversal of 111001112101212 is 212101211100111.

111001112101212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111001112101191 and 111001112101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36934489 + ... + 39826607.

It is an arithmetic number, because the mean of its divisors is an integer number (5476539640880).

Almost surely, 2^{111001112101212} is an apocalyptic number.

111001112101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111001112101212 is an abundant number, since it is smaller than the sum of its proper divisors (151872790661028).

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

111001112101212 is a wasteful number, since it uses less digits than its factorization.

111001112101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939930 (or 2939928 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111001112101212 its reverse (212101211100111), we get a palindrome (323102323201323).

The spelling of 111001112101212 in words is "one hundred eleven trillion, one billion, one hundred twelve million, one hundred one thousand, two hundred twelve".