2123211344 has 20 divisors (see below), whose sum is σ = 4209391296. Its totient is φ = 1036916832.

The previous prime is 2123211329. The next prime is 2123211401. The reversal of 2123211344 is 4431123212.

It is a super-2 number, since 2×2123211344² = 9016052822580572672, which contains 22 as substring.

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, 1542344 + ... + 1543719.

Almost surely, 2^2123211344 is an apocalyptic number.

It is an amenable number.

2123211344 is a deficient number, since it is larger than the sum of its proper divisors (2086179952).

2123211344 is a wasteful number, since it uses less digits than its factorization.

2123211344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086114 (or 3086108 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2123211344 is about 46078.3175040062. The cubic root of 2123211344 is about 1285.2799773491.

Adding to 2123211344 its reverse (4431123212), we get a palindrome (6554334556).

The spelling of 2123211344 in words is "two billion, one hundred twenty-three million, two hundred eleven thousand, three hundred forty-four".