221303121030006 has 16 divisors (see below), whose sum is σ = 443592002070000. Its totient is φ = 73603413675008.

The previous prime is 221303121030001. The next prime is 221303121030109. The reversal of 221303121030006 is 600030121303122.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221303121030001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41073330831 + ... + 41073336218.

It is an arithmetic number, because the mean of its divisors is an integer number (27724500129375).

Almost surely, 2^{221303121030006} is an apocalyptic number.

221303121030006 is an abundant number, since it is smaller than the sum of its proper divisors (222288881039994).

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

221303121030006 is a wasteful number, since it uses less digits than its factorization.

221303121030006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82146667503.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221303121030006 its reverse (600030121303122), we get a palindrome (821333242333128).

The spelling of 221303121030006 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred twenty-one million, thirty thousand, six".