999910220301 has 40 divisors (see below), whose sum is σ = 1636093867320. Its totient is φ = 605760325632.

The previous prime is 999910220237. The next prime is 999910220347. The reversal of 999910220301 is 103022019999.

It can be written as a sum of positive squares in 4 ways, for example, as 283051664676 + 716858555625 = 532026^2 + 846675^2 .

It is not a de Polignac number, because 999910220301 - 2⁶ = 999910220237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999910220371) 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 39 ways as a sum of consecutive naturals, for example, 12479916 + ... + 12559781.

It is an arithmetic number, because the mean of its divisors is an integer number (40902346683).

Almost surely, 2^999910220301 is an apocalyptic number.

It is an amenable number.

999910220301 is a deficient number, since it is larger than the sum of its proper divisors (636183647019).

999910220301 is a wasteful number, since it uses less digits than its factorization.

999910220301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25039755 (or 25039746 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The spelling of 999910220301 in words is "nine hundred ninety-nine billion, nine hundred ten million, two hundred twenty thousand, three hundred one".