2113122288 has 80 divisors (see below), whose sum is σ = 5687136000. Its totient is φ = 675509760.

The previous prime is 2113122241. The next prime is 2113122301. The reversal of 2113122288 is 8822213112.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107013 + ... + 125211.

It is an arithmetic number, because the mean of its divisors is an integer number (71089200).

Almost surely, 2^2113122288 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 2113122288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843568000).

2113122288 is an abundant number, since it is smaller than the sum of its proper divisors (3574013712).

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

2113122288 is a wasteful number, since it uses less digits than its factorization.

2113122288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18310 (or 18304 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 2113122288 is about 45968.7098796562. The cubic root of 2113122288 is about 1283.2409504233.

The spelling of 2113122288 in words is "two billion, one hundred thirteen million, one hundred twenty-two thousand, two hundred eighty-eight".