2212210312321 has 8 divisors (see below), whose sum is σ = 2299990047264. Its totient is φ = 2126041214880.

The previous prime is 2212210312297. The next prime is 2212210312373. The reversal of 2212210312321 is 1232130122122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212210312321 - 2⁹ = 2212210311809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212210312292 and 2212210312301.

It is not an unprimeable number, because it can be changed into a prime (2212210312021) 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, 402656575 + ... + 402662068.

It is an arithmetic number, because the mean of its divisors is an integer number (287498755908).

Almost surely, 2^{2212210312321} is an apocalyptic number.

It is an amenable number.

2212210312321 is a deficient number, since it is larger than the sum of its proper divisors (87779734943).

2212210312321 is an equidigital number, since it uses as much as digits as its factorization.

2212210312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805318751.

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

Adding to 2212210312321 its reverse (1232130122122), we get a palindrome (3444340434443).

The spelling of 2212210312321 in words is "two trillion, two hundred twelve billion, two hundred ten million, three hundred twelve thousand, three hundred twenty-one".