221030102331300 has 144 divisors (see below), whose sum is σ = 647812061874432. Its totient is φ = 58177842422400.

The previous prime is 221030102331299. The next prime is 221030102331331. The reversal of 221030102331300 is 3133201030122.

It is a super-2 number, since 2×221030102331300² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23097747 + ... + 31234053.

It is an arithmetic number, because the mean of its divisors is an integer number (4498694874128).

Almost surely, 2^{221030102331300} is an apocalyptic number.

221030102331300 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 221030102331300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323906030937216).

221030102331300 is an abundant number, since it is smaller than the sum of its proper divisors (426781959543132).

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

221030102331300 is a wasteful number, since it uses less digits than its factorization.

221030102331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137498 (or 8137491 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 221030102331300 its reverse (3133201030122), we get a palindrome (224163303361422).

The spelling of 221030102331300 in words is "two hundred twenty-one trillion, thirty billion, one hundred two million, three hundred thirty-one thousand, three hundred".