2122210213321 has 4 divisors (see below), whose sum is σ = 2315138414544. Its totient is φ = 1929282012100.

The previous prime is 2122210213309. The next prime is 2122210213327. The reversal of 2122210213321 is 1233120122212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122210213321 - 2⁵ = 2122210213289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122210213292 and 2122210213301.

It is not an unprimeable number, because it can be changed into a prime (2122210213327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96464100595 + ... + 96464100616.

It is an arithmetic number, because the mean of its divisors is an integer number (578784603636).

Almost surely, 2^{2122210213321} is an apocalyptic number.

It is an amenable number.

2122210213321 is a deficient number, since it is larger than the sum of its proper divisors (192928201223).

2122210213321 is a wasteful number, since it uses less digits than its factorization.

2122210213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192928201222.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2122210213321 its reverse (1233120122212), we get a palindrome (3355330335533).

The spelling of 2122210213321 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, two hundred thirteen thousand, three hundred twenty-one".