111202221120120 has 192 divisors, whose sum is σ = 390178373457600. Its totient is φ = 27304592486400.

The previous prime is 111202221120113. The next prime is 111202221120139. The reversal of 111202221120120 is 21021122202111.

111202221120120 is a `hidden beast` number, since 1 + 1 + 1 + 202 + 221 + 120 + 120 = 666.

111202221120120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 111202221120093 and 111202221120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27750700 + ... + 31504059.

It is an arithmetic number, because the mean of its divisors is an integer number (2032179028425).

Almost surely, 2^{111202221120120} is an apocalyptic number.

111202221120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202221120120 is an abundant number, since it is smaller than the sum of its proper divisors (278976152337480).

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

111202221120120 is a wasteful number, since it uses less digits than its factorization.

111202221120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59255190 (or 59255183 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111202221120120 its reverse (21021122202111), we get a palindrome (132223343322231).

The spelling of 111202221120120 in words is "one hundred eleven trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty".