2103112221120 has 336 divisors, whose sum is σ = 7259218237440. Its totient is φ = 558865963008.

The previous prime is 2103112221083. The next prime is 2103112221137. The reversal of 2103112221120 is 211222113012.

2103112221120 is a `hidden beast` number, since 2 + 10 + 311 + 2 + 221 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2103112221093 and 2103112221102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1538486677 + ... + 1538488043.

Almost surely, 2^{2103112221120} is an apocalyptic number.

2103112221120 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 2103112221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3629609118720).

2103112221120 is an abundant number, since it is smaller than the sum of its proper divisors (5156106016320).

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

2103112221120 is a wasteful number, since it uses less digits than its factorization.

2103112221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2103112221120 its reverse (211222113012), we get a palindrome (2314334334132).

It can be divided in two parts, 2103112 and 221120, that added together give a palindrome (2324232).

The spelling of 2103112221120 in words is "two trillion, one hundred three billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty".