20221303310113 has 4 divisors (see below), whose sum is σ = 20226628913940. Its totient is φ = 20215977706288.

The previous prime is 20221303310069. The next prime is 20221303310147. The reversal of 20221303310113 is 31101330312202.

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 8753923442209 + 11467379867904 = 2958703^2 + 3386352^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221303310113 - 2⁹ = 20221303309601 is a prime.

It is a super-2 number, since 2×20221303310113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221303310183) 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 3 ways as a sum of consecutive naturals, for example, 2662796218 + ... + 2662803811.

It is an arithmetic number, because the mean of its divisors is an integer number (5056657228485).

Almost surely, 2^{20221303310113} is an apocalyptic number.

It is an amenable number.

20221303310113 is a deficient number, since it is larger than the sum of its proper divisors (5325603827).

20221303310113 is an equidigital number, since it uses as much as digits as its factorization.

20221303310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325603826.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20221303310113 its reverse (31101330312202), we get a palindrome (51322633622315).

The spelling of 20221303310113 in words is "twenty trillion, two hundred twenty-one billion, three hundred three million, three hundred ten thousand, one hundred thirteen".