111201021112212 has 36 divisors (see below), whose sum is σ = 281123387659296. Its totient is φ = 37062798119760.

The previous prime is 111201021112211. The next prime is 111201021112249. The reversal of 111201021112212 is 212211120102111.

It is a happy number.

111201021112212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201021112211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175050114 + ... + 175684217.

It is an arithmetic number, because the mean of its divisors is an integer number (7808982990536).

Almost surely, 2^{111201021112212} is an apocalyptic number.

111201021112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111201021112212 is an abundant number, since it is smaller than the sum of its proper divisors (169922366547084).

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

111201021112212 is a wasteful number, since it uses less digits than its factorization.

111201021112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350743148 (or 350743143 counting only the distinct ones).

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

Adding to 111201021112212 its reverse (212211120102111), we get a palindrome (323412141214323).

The spelling of 111201021112212 in words is "one hundred eleven trillion, two hundred one billion, twenty-one million, one hundred twelve thousand, two hundred twelve".