221001020202201 has 8 divisors (see below), whose sum is σ = 294669215001024. Its totient is φ = 147333419435760.

The previous prime is 221001020202143. The next prime is 221001020202247. The reversal of 221001020202201 is 102202020100122.

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

It is a de Polignac number, because none of the positive numbers 2^k-221001020202201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221001020202401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147639286 + ... + 149128671.

It is an arithmetic number, because the mean of its divisors is an integer number (36833651875128).

Almost surely, 2^{221001020202201} is an apocalyptic number.

It is an amenable number.

221001020202201 is a deficient number, since it is larger than the sum of its proper divisors (73668194798823).

221001020202201 is a wasteful number, since it uses less digits than its factorization.

221001020202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297016191.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221001020202201 its reverse (102202020100122), we get a palindrome (323203040302323).

The spelling of 221001020202201 in words is "two hundred twenty-one trillion, one billion, twenty million, two hundred two thousand, two hundred one".