111120221012120 has 64 divisors (see below), whose sum is σ = 250910190673920. Its totient is φ = 44289928497024.

The previous prime is 111120221012111. The next prime is 111120221012149. The reversal of 111120221012120 is 21210122021111.

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, 576351977 + ... + 576544743.

It is an arithmetic number, because the mean of its divisors is an integer number (3920471729280).

Almost surely, 2^{111120221012120} is an apocalyptic number.

111120221012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120221012120 is an abundant number, since it is smaller than the sum of its proper divisors (139789969661800).

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

111120221012120 is a wasteful number, since it uses less digits than its factorization.

111120221012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243984 (or 243980 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111120221012120 its reverse (21210122021111), we get a palindrome (132330343033231).

The spelling of 111120221012120 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty-one million, twelve thousand, one hundred twenty".