221002002201 has 8 divisors (see below), whose sum is σ = 294808800160. Its totient is φ = 147264936192.

The previous prime is 221002002187. The next prime is 221002002239. The reversal of 221002002201 is 102200200122.

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

It is not a de Polignac number, because 221002002201 - 2¹³ = 221001994009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002002241) 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, 17425591 + ... + 17438268.

It is an arithmetic number, because the mean of its divisors is an integer number (36851100020).

Almost surely, 2^221002002201 is an apocalyptic number.

It is an amenable number.

221002002201 is a deficient number, since it is larger than the sum of its proper divisors (73806797959).

221002002201 is a wasteful number, since it uses less digits than its factorization.

221002002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34865975.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221002002201 its reverse (102200200122), we get a palindrome (323202202323).

The spelling of 221002002201 in words is "two hundred twenty-one billion, two million, two thousand, two hundred one".