2113240122 has 96 divisors (see below), whose sum is σ = 5404299264. Its totient is φ = 584236800.

The previous prime is 2113240109. The next prime is 2113240127. The reversal of 2113240122 is 2210423112.

It is a happy number.

2113240122 is a `hidden beast` number, since 211 + 32 + 401 + 22 = 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 = 2113240095 and 2113240104.

It is not an unprimeable number, because it can be changed into a prime (2113240127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 654472 + ... + 657692.

It is an arithmetic number, because the mean of its divisors is an integer number (56294784).

Almost surely, 2^2113240122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113240122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702149632).

2113240122 is an abundant number, since it is smaller than the sum of its proper divisors (3291059142).

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

2113240122 is a wasteful number, since it uses less digits than its factorization.

2113240122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2113240122 is about 45969.9915379588. The cubic root of 2113240122 is about 1283.2648024273.

Adding to 2113240122 its reverse (2210423112), we get a palindrome (4323663234).

The spelling of 2113240122 in words is "two billion, one hundred thirteen million, two hundred forty thousand, one hundred twenty-two".