2111113320321 has 8 divisors (see below), whose sum is σ = 2817393078400. Its totient is φ = 1406121221232.

The previous prime is 2111113320319. The next prime is 2111113320331. The reversal of 2111113320321 is 1230233111112.

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

It is not a de Polignac number, because 2111113320321 - 2¹ = 2111113320319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111113320331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321910921 + ... + 321917478.

It is an arithmetic number, because the mean of its divisors is an integer number (352174134800).

Almost surely, 2^{2111113320321} is an apocalyptic number.

It is an amenable number.

2111113320321 is a deficient number, since it is larger than the sum of its proper divisors (706279758079).

2111113320321 is a wasteful number, since it uses less digits than its factorization.

2111113320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643829495.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2111113320321 its reverse (1230233111112), we get a palindrome (3341346431433).

The spelling of 2111113320321 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, three hundred twenty thousand, three hundred twenty-one".