2100220330120 has 128 divisors (see below), whose sum is σ = 5459507827200. Its totient is φ = 718636441600.

The previous prime is 2100220330081. The next prime is 2100220330181. The reversal of 2100220330120 is 210330220012.

It is a junction number, because it is equal to n+sod(n) for n = 2100220330094 and 2100220330103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37663860 + ... + 37719580.

It is an arithmetic number, because the mean of its divisors is an integer number (42652404900).

Almost surely, 2^{2100220330120} is an apocalyptic number.

2100220330120 is a gapful number since it is divisible by the number (20) 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 2100220330120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729753913600).

2100220330120 is an abundant number, since it is smaller than the sum of its proper divisors (3359287497080).

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

2100220330120 is a wasteful number, since it uses less digits than its factorization.

2100220330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60799 (or 60795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2100220330120 its reverse (210330220012), we get a palindrome (2310550550132).

The spelling of 2100220330120 in words is "two trillion, one hundred billion, two hundred twenty million, three hundred thirty thousand, one hundred twenty".