2112002113321 has 4 divisors (see below), whose sum is σ = 2112005542612. Its totient is φ = 2111998684032.

The previous prime is 2112002113307. The next prime is 2112002113339. The reversal of 2112002113321 is 1233112002112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1009092575296 + 1102909538025 = 1004536^2 + 1050195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112002113321 - 2²¹ = 2112000016169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112002113301) 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, 507600 + ... + 2116993.

It is an arithmetic number, because the mean of its divisors is an integer number (528001385653).

Almost surely, 2^{2112002113321} is an apocalyptic number.

It is an amenable number.

2112002113321 is a deficient number, since it is larger than the sum of its proper divisors (3429291).

2112002113321 is an equidigital number, since it uses as much as digits as its factorization.

2112002113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429290.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2112002113321 its reverse (1233112002112), we get a palindrome (3345114115433).

The spelling of 2112002113321 in words is "two trillion, one hundred twelve billion, two million, one hundred thirteen thousand, three hundred twenty-one".