120002111220 has 24 divisors (see below), whose sum is σ = 336005911584. Its totient is φ = 32000562976.

The previous prime is 120002111213. The next prime is 120002111249. The reversal of 120002111220 is 22111200021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120002111196 and 120002111205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000017534 + ... + 1000017653.

It is an arithmetic number, because the mean of its divisors is an integer number (14000246316).

Almost surely, 2^120002111220 is an apocalyptic number.

120002111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002111220 is an abundant number, since it is smaller than the sum of its proper divisors (216003800364).

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

120002111220 is a wasteful number, since it uses less digits than its factorization.

120002111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000035199 (or 2000035197 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120002111220 its reverse (22111200021), we get a palindrome (142113311241).

The spelling of 120002111220 in words is "one hundred twenty billion, two million, one hundred eleven thousand, two hundred twenty".