2111121344 has 28 divisors (see below), whose sum is σ = 4210546824. Its totient is φ = 1050196224.

The previous prime is 2111121343. The next prime is 2111121349. The reversal of 2111121344 is 4431211112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71114 + ... + 96329.

Almost surely, 2^2111121344 is an apocalyptic number.

It is an amenable number.

2111121344 is a deficient number, since it is larger than the sum of its proper divisors (2099425480).

2111121344 is a wasteful number, since it uses less digits than its factorization.

2111121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167652 (or 167642 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 2111121344 is about 45946.9405292670. The cubic root of 2111121344 is about 1282.8357831214.

Adding to 2111121344 its reverse (4431211112), we get a palindrome (6542332456).

The spelling of 2111121344 in words is "two billion, one hundred eleven million, one hundred twenty-one thousand, three hundred forty-four".