2113043445120 has 256 divisors, whose sum is σ = 6912363744000. Its totient is φ = 548842659840.

The previous prime is 2113043445083. The next prime is 2113043445133. The reversal of 2113043445120 is 215443403112.

It is a super-3 number, since 3×2113043445120³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 12261955 + ... + 12433085.

It is an arithmetic number, because the mean of its divisors is an integer number (27001420875).

Almost surely, 2^{2113043445120} is an apocalyptic number.

2113043445120 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 2113043445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456181872000).

2113043445120 is an abundant number, since it is smaller than the sum of its proper divisors (4799320298880).

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

2113043445120 is a wasteful number, since it uses less digits than its factorization.

2113043445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171321 (or 171309 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2113043445120 its reverse (215443403112), we get a palindrome (2328486848232).

The spelling of 2113043445120 in words is "two trillion, one hundred thirteen billion, forty-three million, four hundred forty-five thousand, one hundred twenty".