221321130011202 has 64 divisors (see below), whose sum is σ = 500585653451520. Its totient is φ = 64723099693824.

The previous prime is 221321130011197. The next prime is 221321130011239. The reversal of 221321130011202 is 202110031123122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392608177 + ... + 393171492.

It is an arithmetic number, because the mean of its divisors is an integer number (7821650835180).

Almost surely, 2^{221321130011202} is an apocalyptic number.

221321130011202 is an abundant number, since it is smaller than the sum of its proper divisors (279264523440318).

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

221321130011202 is a wasteful number, since it uses less digits than its factorization.

221321130011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785779867.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221321130011202 its reverse (202110031123122), we get a palindrome (423431161134324).

The spelling of 221321130011202 in words is "two hundred twenty-one trillion, three hundred twenty-one billion, one hundred thirty million, eleven thousand, two hundred two".