2102222101321 has 8 divisors (see below), whose sum is σ = 2208150370944. Its totient is φ = 1997504440800.

The previous prime is 2102222101289. The next prime is 2102222101337. The reversal of 2102222101321 is 1231012222012.

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 2102222101321 - 2⁵ = 2102222101289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102222101391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302648716 + ... + 302655661.

It is an arithmetic number, because the mean of its divisors is an integer number (276018796368).

Almost surely, 2^{2102222101321} is an apocalyptic number.

It is an amenable number.

2102222101321 is a deficient number, since it is larger than the sum of its proper divisors (105928269623).

2102222101321 is a wasteful number, since it uses less digits than its factorization.

2102222101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605304551.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2102222101321 its reverse (1231012222012), we get a palindrome (3333234323333).

The spelling of 2102222101321 in words is "two trillion, one hundred two billion, two hundred twenty-two million, one hundred one thousand, three hundred twenty-one".