221123230300 has 72 divisors (see below), whose sum is σ = 548458257536. Its totient is φ = 75803636160.

The previous prime is 221123230271. The next prime is 221123230309. The reversal of 221123230300 is 3032321122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221123230309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6902119 + ... + 6934081.

Almost surely, 2^221123230300 is an apocalyptic number.

221123230300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221123230300 is an abundant number, since it is smaller than the sum of its proper divisors (327335027236).

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

221123230300 is a wasteful number, since it uses less digits than its factorization.

221123230300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41867 (or 41860 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221123230300 its reverse (3032321122), we get a palindrome (224155551422).

The spelling of 221123230300 in words is "two hundred twenty-one billion, one hundred twenty-three million, two hundred thirty thousand, three hundred".