2111334144 has 36 divisors (see below), whose sum is σ = 5619229896. Its totient is φ = 703777792.

The previous prime is 2111334119. The next prime is 2111334161. The reversal of 2111334144 is 4414331112.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 1373799 + ... + 1375334.

Almost surely, 2^2111334144 is an apocalyptic number.

2111334144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111334144 is an abundant number, since it is smaller than the sum of its proper divisors (3507895752).

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

2111334144 is an equidigital number, since it uses as much as digits as its factorization.

2111334144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749152 (or 2749138 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2111334144 is about 45949.2561854923. The cubic root of 2111334144 is about 1282.8788847466.

Adding to 2111334144 its reverse (4414331112), we get a palindrome (6525665256).

The spelling of 2111334144 in words is "two billion, one hundred eleven million, three hundred thirty-four thousand, one hundred forty-four".