2113120332 has 192 divisors, whose sum is σ = 6053806080. Its totient is φ = 634521600.

The previous prime is 2113120327. The next prime is 2113120333. The reversal of 2113120332 is 2330213112.

2113120332 is a `hidden beast` number, since 21 + 1 + 312 + 0 + 332 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2113120333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7797357 + ... + 7797627.

It is an arithmetic number, because the mean of its divisors is an integer number (31530240).

Almost surely, 2^2113120332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113120332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3026903040).

2113120332 is an abundant number, since it is smaller than the sum of its proper divisors (3940685748).

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

2113120332 is a wasteful number, since it uses less digits than its factorization.

2113120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2113120332 is about 45968.6886043098. The cubic root of 2113120332 is about 1283.2405544816.

Adding to 2113120332 its reverse (2330213112), we get a palindrome (4443333444).

The spelling of 2113120332 in words is "two billion, one hundred thirteen million, one hundred twenty thousand, three hundred thirty-two".