120001103220 has 96 divisors (see below), whose sum is σ = 345179713536. Its totient is φ = 31126809600.

The previous prime is 120001103219. The next prime is 120001103231. The reversal of 120001103220 is 22301100021.

120001103220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 120001103196 and 120001103205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13584205 + ... + 13593035.

It is an arithmetic number, because the mean of its divisors is an integer number (3595622016).

Almost surely, 2^120001103220 is an apocalyptic number.

120001103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120001103220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172589856768).

120001103220 is an abundant number, since it is smaller than the sum of its proper divisors (225178610316).

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

120001103220 is a wasteful number, since it uses less digits than its factorization.

120001103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001 (or 14999 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120001103220 its reverse (22301100021), we get a palindrome (142302203241).

The spelling of 120001103220 in words is "one hundred twenty billion, one million, one hundred three thousand, two hundred twenty".