111012120120220 has 48 divisors (see below), whose sum is σ = 254606692249728. Its totient is φ = 40322326685760.

The previous prime is 111012120120203. The next prime is 111012120120227. The reversal of 111012120120220 is 22021021210111.

111012120120220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111012120120194 and 111012120120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012120120227) 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, 285536514 + ... + 285925033.

It is an arithmetic number, because the mean of its divisors is an integer number (5304306088536).

Almost surely, 2^{111012120120220} is an apocalyptic number.

111012120120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012120120220 is an abundant number, since it is smaller than the sum of its proper divisors (143594572129508).

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

111012120120220 is a wasteful number, since it uses less digits than its factorization.

111012120120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571462450 (or 571462448 counting only the distinct ones).

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

Adding to 111012120120220 its reverse (22021021210111), we get a palindrome (133033141330331).

The spelling of 111012120120220 in words is "one hundred eleven trillion, twelve billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty".