2103520120000 has 280 divisors, whose sum is σ = 5630057254976. Its totient is φ = 774918144000.

The previous prime is 2103520119941. The next prime is 2103520120007. The reversal of 2103520120000 is 210253012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2103520120007) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 240755632 + ... + 240764368.

Almost surely, 2^{2103520120000} is an apocalyptic number.

2103520120000 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 2103520120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815028627488).

2103520120000 is an abundant number, since it is smaller than the sum of its proper divisors (3526537134976).

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

2103520120000 is an equidigital number, since it uses as much as digits as its factorization.

2103520120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245 (or 9220 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 2103520120000 its reverse (210253012), we get a palindrome (2103730373012).

The spelling of 2103520120000 in words is "two trillion, one hundred three billion, five hundred twenty million, one hundred twenty thousand".