2121310222 has 8 divisors (see below), whose sum is σ = 3284609472. Its totient is φ = 1026440400.

The previous prime is 2121310211. The next prime is 2121310277. The reversal of 2121310222 is 2220131212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2121310196 and 2121310205.

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, 17107279 + ... + 17107402.

It is an arithmetic number, because the mean of its divisors is an integer number (410576184).

Almost surely, 2^2121310222 is an apocalyptic number.

2121310222 is a deficient number, since it is larger than the sum of its proper divisors (1163299250).

2121310222 is a wasteful number, since it uses less digits than its factorization.

2121310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34214714.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2121310222 is about 46057.6836369351. The cubic root of 2121310222 is about 1284.8962498560.

Adding to 2121310222 its reverse (2220131212), we get a palindrome (4341441434).

The spelling of 2121310222 in words is "two billion, one hundred twenty-one million, three hundred ten thousand, two hundred twenty-two".