111312202112220 has 24 divisors (see below), whose sum is σ = 311674165914384. Its totient is φ = 29683253896576.

The previous prime is 111312202112219. The next prime is 111312202112231. The reversal of 111312202112220 is 22211202213111.

111312202112220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 927601684209 + ... + 927601684328.

It is an arithmetic number, because the mean of its divisors is an integer number (12986423579766).

Almost surely, 2^{111312202112220} is an apocalyptic number.

111312202112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111312202112220 is an abundant number, since it is smaller than the sum of its proper divisors (200361963802164).

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

111312202112220 is a wasteful number, since it uses less digits than its factorization.

111312202112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855203368549 (or 1855203368547 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111312202112220 its reverse (22211202213111), we get a palindrome (133523404325331).

The spelling of 111312202112220 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred two million, one hundred twelve thousand, two hundred twenty".