221300212202 has 8 divisors (see below), whose sum is σ = 331970211300. Its totient is φ = 110643475104.

The previous prime is 221300212201. The next prime is 221300212219. The reversal of 221300212202 is 202212003122.

It can be written as a sum of positive squares in 2 ways, for example, as 213759200281 + 7541011921 = 462341^2 + 86839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221300212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273677 + ... + 3340592.

Almost surely, 2^221300212202 is an apocalyptic number.

221300212202 is a deficient number, since it is larger than the sum of its proper divisors (110669999098).

221300212202 is a wasteful number, since it uses less digits than its factorization.

221300212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631000.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221300212202 its reverse (202212003122), we get a palindrome (423512215324).

The spelling of 221300212202 in words is "two hundred twenty-one billion, three hundred million, two hundred twelve thousand, two hundred two".