111122200012120 has 64 divisors (see below), whose sum is σ = 275819148237600. Its totient is φ = 39954049428480.

The previous prime is 111122200012081. The next prime is 111122200012129. The reversal of 111122200012120 is 21210002221111.

It is a junction number, because it is equal to n+sod(n) for n = 111122200012094 and 111122200012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122200012129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418783619 + ... + 1418861938.

Almost surely, 2^{111122200012120} is an apocalyptic number.

111122200012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122200012120 is an abundant number, since it is smaller than the sum of its proper divisors (164696948225480).

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

111122200012120 is a wasteful number, since it uses less digits than its factorization.

111122200012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837645668 (or 2837645664 counting only the distinct ones).

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

Adding to 111122200012120 its reverse (21210002221111), we get a palindrome (132332202233231).

The spelling of 111122200012120 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred million, twelve thousand, one hundred twenty".