2112303021321 has 8 divisors (see below), whose sum is σ = 2816486658304. Its totient is φ = 1408160699280.

The previous prime is 2112303021277. The next prime is 2112303021329. The reversal of 2112303021321 is 1231203032112.

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

It is a de Polignac number, because none of the positive numbers 2^k-2112303021321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112303021329) 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, 10209241 + ... + 10414086.

It is an arithmetic number, because the mean of its divisors is an integer number (352060832288).

Almost surely, 2^{2112303021321} is an apocalyptic number.

It is an amenable number.

2112303021321 is a deficient number, since it is larger than the sum of its proper divisors (704183636983).

2112303021321 is a wasteful number, since it uses less digits than its factorization.

2112303021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20657471.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2112303021321 its reverse (1231203032112), we get a palindrome (3343506053433).

The spelling of 2112303021321 in words is "two trillion, one hundred twelve billion, three hundred three million, twenty-one thousand, three hundred twenty-one".