2121344322 has 32 divisors (see below), whose sum is σ = 4392092160. Its totient is φ = 682344960.

The previous prime is 2121344317. The next prime is 2121344333. The reversal of 2121344322 is 2234431212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121344292 and 2121344301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49504 + ... + 81812.

It is an arithmetic number, because the mean of its divisors is an integer number (137252880).

Almost surely, 2^2121344322 is an apocalyptic number.

2121344322 is an abundant number, since it is smaller than the sum of its proper divisors (2270747838).

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

2121344322 is a wasteful number, since it uses less digits than its factorization.

2121344322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32698.

The product of its digits is 2304, while the sum is 24.

The square root of 2121344322 is about 46058.0538234086. The cubic root of 2121344322 is about 1284.9031347091.

Adding to 2121344322 its reverse (2234431212), we get a palindrome (4355775534).

The spelling of 2121344322 in words is "two billion, one hundred twenty-one million, three hundred forty-four thousand, three hundred twenty-two".