111222000002120 has 192 divisors, whose sum is σ = 310276649018880. Its totient is φ = 35126503501824.

The previous prime is 111222000002063. The next prime is 111222000002161. The reversal of 111222000002120 is 21200000222111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111222000002095 and 111222000002104.

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, 10818767 + ... + 18425246.

It is an arithmetic number, because the mean of its divisors is an integer number (1616024213640).

Almost surely, 2^{111222000002120} is an apocalyptic number.

111222000002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222000002120 is an abundant number, since it is smaller than the sum of its proper divisors (199054649016760).

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

111222000002120 is a wasteful number, since it uses less digits than its factorization.

111222000002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29244112 (or 29244091 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111222000002120 its reverse (21200000222111), we get a palindrome (132422000224231).

The spelling of 111222000002120 in words is "one hundred eleven trillion, two hundred twenty-two billion, two thousand, one hundred twenty".