2112213103321 has 4 divisors (see below), whose sum is σ = 2112220222992. Its totient is φ = 2112205983652.

The previous prime is 2112213103307. The next prime is 2112213103327. The reversal of 2112213103321 is 1233013122112.

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 2112213103321 - 2²⁹ = 2111676232409 is a prime.

It is a super-2 number, since 2×2112213103321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112213103292 and 2112213103301.

It is not an unprimeable number, because it can be changed into a prime (2112213103327) 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, 3094555 + ... + 3714928.

It is an arithmetic number, because the mean of its divisors is an integer number (528055055748).

Almost surely, 2^{2112213103321} is an apocalyptic number.

It is an amenable number.

2112213103321 is a deficient number, since it is larger than the sum of its proper divisors (7119671).

2112213103321 is an equidigital number, since it uses as much as digits as its factorization.

2112213103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119670.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2112213103321 its reverse (1233013122112), we get a palindrome (3345226225433).

The spelling of 2112213103321 in words is "two trillion, one hundred twelve billion, two hundred thirteen million, one hundred three thousand, three hundred twenty-one".