221030013112300 has 144 divisors (see below), whose sum is σ = 572084051277312. Its totient is φ = 72474591974400.

The previous prime is 221030013112219. The next prime is 221030013112301. The reversal of 221030013112300 is 3211310030122.

It is a super-2 number, since 2×221030013112300² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221030013112301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94201380 + ... + 96519220.

It is an arithmetic number, because the mean of its divisors is an integer number (3972805911648).

Almost surely, 2^{221030013112300} is an apocalyptic number.

221030013112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221030013112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286042025638656).

221030013112300 is an abundant number, since it is smaller than the sum of its proper divisors (351054038165012).

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

221030013112300 is a wasteful number, since it uses less digits than its factorization.

221030013112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323808 (or 2323801 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221030013112300 its reverse (3211310030122), we get a palindrome (224241323142422).

The spelling of 221030013112300 in words is "two hundred twenty-one trillion, thirty billion, thirteen million, one hundred twelve thousand, three hundred".