2122320331331 has 4 divisors (see below), whose sum is σ = 2122323258000. Its totient is φ = 2122317404664.

The previous prime is 2122320331189. The next prime is 2122320331333. The reversal of 2122320331331 is 1331330232212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122320331331 is a prime.

It is a super-2 number, since 2×2122320331331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122320331331.

It is not an unprimeable number, because it can be changed into a prime (2122320331333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524765 + ... + 2126033.

It is an arithmetic number, because the mean of its divisors is an integer number (530580814500).

Almost surely, 2^{2122320331331} is an apocalyptic number.

2122320331331 is a deficient number, since it is larger than the sum of its proper divisors (2926669).

2122320331331 is a wasteful number, since it uses less digits than its factorization.

2122320331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926668.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2122320331331 its reverse (1331330232212), we get a palindrome (3453650563543).

The spelling of 2122320331331 in words is "two trillion, one hundred twenty-two billion, three hundred twenty million, three hundred thirty-one thousand, three hundred thirty-one".