2122331320013 has 4 divisors (see below), whose sum is σ = 2151404351868. Its totient is φ = 2093258288160.

The previous prime is 2122331320001. The next prime is 2122331320069. The reversal of 2122331320013 is 3100231332212.

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 987087951529 + 1135243368484 = 993523^2 + 1065478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122331320013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122331320313) 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, 14536515818 + ... + 14536515963.

It is an arithmetic number, because the mean of its divisors is an integer number (537851087967).

Almost surely, 2^{2122331320013} is an apocalyptic number.

It is an amenable number.

2122331320013 is a deficient number, since it is larger than the sum of its proper divisors (29073031855).

2122331320013 is an equidigital number, since it uses as much as digits as its factorization.

2122331320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29073031854.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2122331320013 its reverse (3100231332212), we get a palindrome (5222562652225).

The spelling of 2122331320013 in words is "two trillion, one hundred twenty-two billion, three hundred thirty-one million, three hundred twenty thousand, thirteen".