221213030332000 has 768 divisors, whose sum is σ = 670086311731200. Its totient is φ = 70049193984000.

The previous prime is 221213030331961. The next prime is 221213030332013. The reversal of 221213030332000 is 233030312122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6914836005 + ... + 6914867995.

It is an arithmetic number, because the mean of its divisors is an integer number (872508218400).

Almost surely, 2^{221213030332000} is an apocalyptic number.

221213030332000 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 221213030332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335043155865600).

221213030332000 is an abundant number, since it is smaller than the sum of its proper divisors (448873281399200).

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

221213030332000 is a wasteful number, since it uses less digits than its factorization.

221213030332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32312 (or 32294 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221213030332000 its reverse (233030312122), we get a palindrome (221446060644122).

The spelling of 221213030332000 in words is "two hundred twenty-one trillion, two hundred thirteen billion, thirty million, three hundred thirty-two thousand".