221322300120 has 96 divisors (see below), whose sum is σ = 721971759600. Its totient is φ = 58799851776.

The previous prime is 221322300097. The next prime is 221322300211. The reversal of 221322300120 is 21003223122.

221322300120 is a `hidden beast` number, since 2 + 21 + 322 + 300 + 1 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 221322300093 and 221322300102.

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, 1045882 + ... + 1239561.

Almost surely, 2^221322300120 is an apocalyptic number.

221322300120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221322300120 is an abundant number, since it is smaller than the sum of its proper divisors (500649459480).

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

221322300120 is a wasteful number, since it uses less digits than its factorization.

221322300120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285729 (or 2285722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221322300120 its reverse (21003223122), we get a palindrome (242325523242).

The spelling of 221322300120 in words is "two hundred twenty-one billion, three hundred twenty-two million, three hundred thousand, one hundred twenty".