111120022221120 has 448 divisors, whose sum is σ = 452799241516800. Its totient is φ = 25353587589120.

The previous prime is 111120022221073. The next prime is 111120022221151. The reversal of 111120022221120 is 21122220021111.

111120022221120 is a `hidden beast` number, since 1 + 1 + 11 + 200 + 222 + 211 + 20 = 666.

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 = 111120022221093 and 111120022221102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32772325 + ... + 36003684.

Almost surely, 2^{111120022221120} is an apocalyptic number.

111120022221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120022221120 is an abundant number, since it is smaller than the sum of its proper divisors (341679219295680).

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

111120022221120 is a wasteful number, since it uses less digits than its factorization.

111120022221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68776063 (or 68776047 counting only the distinct ones).

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

Adding to 111120022221120 its reverse (21122220021111), we get a palindrome (132242242242231).

The spelling of 111120022221120 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty".