111202212220120 has 64 divisors (see below), whose sum is σ = 285950197512000. Its totient is φ = 38126252520960.

The previous prime is 111202212220081. The next prime is 111202212220147. The reversal of 111202212220120 is 21022212202111.

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, 51761106 + ... + 53866654.

It is an arithmetic number, because the mean of its divisors is an integer number (4467971836125).

Almost surely, 2^{111202212220120} is an apocalyptic number.

111202212220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202212220120 is an abundant number, since it is smaller than the sum of its proper divisors (174747985291880).

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

111202212220120 is a wasteful number, since it uses less digits than its factorization.

111202212220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294188 (or 2294184 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111202212220120 its reverse (21022212202111), we get a palindrome (132224424422231).

The spelling of 111202212220120 in words is "one hundred eleven trillion, two hundred two billion, two hundred twelve million, two hundred twenty thousand, one hundred twenty".