120111111012220 has 48 divisors (see below), whose sum is σ = 256514684267520. Its totient is φ = 47228988378176.

The previous prime is 120111111012173. The next prime is 120111111012301. The reversal of 120111111012220 is 22210111111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111111012194 and 120111111012203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48376029 + ... + 50798251.

It is an arithmetic number, because the mean of its divisors is an integer number (5344055922240).

Almost surely, 2^{120111111012220} is an apocalyptic number.

120111111012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111111012220 is an abundant number, since it is smaller than the sum of its proper divisors (136403573255300).

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

120111111012220 is a wasteful number, since it uses less digits than its factorization.

120111111012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464314 (or 2464312 counting only the distinct ones).

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

Adding to 120111111012220 its reverse (22210111111021), we get a palindrome (142321222123241).

The spelling of 120111111012220 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred eleven million, twelve thousand, two hundred twenty".