2121012424 has 16 divisors (see below), whose sum is σ = 3977637120. Its totient is φ = 1060309200.

The previous prime is 2121012419. The next prime is 2121012433. The reversal of 2121012424 is 4242101212.

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, 27657 + ... + 70759.

It is an arithmetic number, because the mean of its divisors is an integer number (248602320).

Almost surely, 2^2121012424 is an apocalyptic number.

It is an amenable number.

2121012424 is a deficient number, since it is larger than the sum of its proper divisors (1856624696).

2121012424 is a wasteful number, since it uses less digits than its factorization.

2121012424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49260 (or 49256 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2121012424 is about 46054.4506426903. The cubic root of 2121012424 is about 1284.8361207534.

Adding to 2121012424 its reverse (4242101212), we get a palindrome (6363113636).

The spelling of 2121012424 in words is "two billion, one hundred twenty-one million, twelve thousand, four hundred twenty-four".