221202102002201 has 8 divisors (see below), whose sum is σ = 224989207280640. Its totient is φ = 217446955418448.

The previous prime is 221202102002183. The next prime is 221202102002279. The reversal of 221202102002201 is 102200201202122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 221202102002201 - 2⁶ = 221202102002137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221202102002201.

It is not an unprimeable number, because it can be changed into a prime (221202102002291) 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, 7989659711 + ... + 7989687396.

It is an arithmetic number, because the mean of its divisors is an integer number (28123650910080).

Almost surely, 2^{221202102002201} is an apocalyptic number.

It is an amenable number.

221202102002201 is a deficient number, since it is larger than the sum of its proper divisors (3787105278439).

221202102002201 is a wasteful number, since it uses less digits than its factorization.

221202102002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15979347343.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221202102002201 its reverse (102200201202122), we get a palindrome (323402303204323).

The spelling of 221202102002201 in words is "two hundred twenty-one trillion, two hundred two billion, one hundred two million, two thousand, two hundred one".