111000221122120 has 64 divisors (see below), whose sum is σ = 272553202512000. Its totient is φ = 40349181319680.

The previous prime is 111000221122117. The next prime is 111000221122139. The reversal of 111000221122120 is 21221122000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000221122094 and 111000221122103.

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, 44200020 + ... + 46643779.

It is an arithmetic number, because the mean of its divisors is an integer number (4258643789250).

Almost surely, 2^{111000221122120} is an apocalyptic number.

111000221122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111000221122120 is an abundant number, since it is smaller than the sum of its proper divisors (161552981389880).

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

111000221122120 is a wasteful number, since it uses less digits than its factorization.

111000221122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90846598 (or 90846594 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111000221122120 its reverse (21221122000111), we get a palindrome (132221343122231).

The spelling of 111000221122120 in words is "one hundred eleven trillion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty".