221300030310 has 32 divisors (see below), whose sum is σ = 541141210080. Its totient is φ = 57899881728.

The previous prime is 221300030299. The next prime is 221300030333. The reversal of 221300030310 is 13030003122.

221300030310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221300030310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 221300030310.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69589615 + ... + 69592794.

It is an arithmetic number, because the mean of its divisors is an integer number (16910662815).

Almost surely, 2^221300030310 is an apocalyptic number.

221300030310 is an abundant number, since it is smaller than the sum of its proper divisors (319841179770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221300030310 is a wasteful number, since it uses less digits than its factorization.

221300030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139182472.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 221300030310 its reverse (13030003122), we get a palindrome (234330033432).

The spelling of 221300030310 in words is "two hundred twenty-one billion, three hundred million, thirty thousand, three hundred ten".