221303013300 has 72 divisors (see below), whose sum is σ = 711448214400. Its totient is φ = 59014136160.

The previous prime is 221303013299. The next prime is 221303013313. The reversal of 221303013300 is 3310303122.

221303013300 is a `hidden beast` number, since 2 + 2 + 1 + 30 + 301 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40979340 + ... + 40984739.

It is an arithmetic number, because the mean of its divisors is an integer number (9881225200).

Almost surely, 2^221303013300 is an apocalyptic number.

221303013300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221303013300 is an abundant number, since it is smaller than the sum of its proper divisors (490145201100).

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

221303013300 is a wasteful number, since it uses less digits than its factorization.

221303013300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81964102 (or 81964089 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 221303013300 its reverse (3310303122), we get a palindrome (224613316422).

The spelling of 221303013300 in words is "two hundred twenty-one billion, three hundred three million, thirteen thousand, three hundred".