2111440122 has 96 divisors (see below), whose sum is σ = 5192538624. Its totient is φ = 637729200.

The previous prime is 2111440109. The next prime is 2111440141. The reversal of 2111440122 is 2210441112.

2111440122 is a `hidden beast` number, since 211 + 1 + 440 + 12 + 2 = 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 = 2111440095 and 2111440104.

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, 2603097 + ... + 2603907.

It is an arithmetic number, because the mean of its divisors is an integer number (54088944).

Almost surely, 2^2111440122 is an apocalyptic number.

2111440122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111440122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596269312).

2111440122 is an abundant number, since it is smaller than the sum of its proper divisors (3081098502).

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

2111440122 is a wasteful number, since it uses less digits than its factorization.

2111440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2111440122 is about 45950.4093779370. The cubic root of 2111440122 is about 1282.9003490049.

Adding to 2111440122 its reverse (2210441112), we get a palindrome (4321881234).

The spelling of 2111440122 in words is "two billion, one hundred eleven million, four hundred forty thousand, one hundred twenty-two".