221013203300 has 18 divisors (see below), whose sum is σ = 479598651378. Its totient is φ = 88405281280.

The previous prime is 221013203297. The next prime is 221013203317. The reversal of 221013203300 is 3302310122.

It can be written as a sum of positive squares in 3 ways, for example, as 6955226404 + 214057976896 = 83398^2 + 462664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1105065917 + ... + 1105066116.

It is an arithmetic number, because the mean of its divisors is an integer number (26644369521).

Almost surely, 2^221013203300 is an apocalyptic number.

221013203300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221013203300 is an abundant number, since it is smaller than the sum of its proper divisors (258585448078).

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

221013203300 is a wasteful number, since it uses less digits than its factorization.

221013203300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210132047 (or 2210132040 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 221013203300 its reverse (3302310122), we get a palindrome (224315513422).

The spelling of 221013203300 in words is "two hundred twenty-one billion, thirteen million, two hundred three thousand, three hundred".