2121214443 has 8 divisors (see below), whose sum is σ = 2829805056. Its totient is φ = 1413383400.

The previous prime is 2121214441. The next prime is 2121214451. The reversal of 2121214443 is 3444121212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121214443 - 2¹ = 2121214441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121214441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183343 + ... + 194568.

It is an arithmetic number, because the mean of its divisors is an integer number (353725632).

Almost surely, 2^2121214443 is an apocalyptic number.

2121214443 is a deficient number, since it is larger than the sum of its proper divisors (708590613).

2121214443 is a wasteful number, since it uses less digits than its factorization.

2121214443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379785.

The product of its digits is 1536, while the sum is 24.

The square root of 2121214443 is about 46056.6438529774. The cubic root of 2121214443 is about 1284.8769115042.

Adding to 2121214443 its reverse (3444121212), we get a palindrome (5565335655).

The spelling of 2121214443 in words is "two billion, one hundred twenty-one million, two hundred fourteen thousand, four hundred forty-three".