21122322000313 has 4 divisors (see below), whose sum is σ = 21276499533300. Its totient is φ = 20968144467328.

The previous prime is 21122322000301. The next prime is 21122322000317. The reversal of 21122322000313 is 31300022322112.

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 6403344213289 + 14718977787024 = 2530483^2 + 3836532^2 .

It is a cyclic number.

It is not a de Polignac number, because 21122322000313 - 2²¹ = 21122319903161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122322000317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77088766288 + ... + 77088766561.

It is an arithmetic number, because the mean of its divisors is an integer number (5319124883325).

Almost surely, 2^{21122322000313} is an apocalyptic number.

It is an amenable number.

21122322000313 is a deficient number, since it is larger than the sum of its proper divisors (154177532987).

21122322000313 is a wasteful number, since it uses less digits than its factorization.

21122322000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154177532986.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21122322000313 its reverse (31300022322112), we get a palindrome (52422344322425).

The spelling of 21122322000313 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred twenty-two million, three hundred thirteen", and thus it is an aban number.