102221201 has 8 divisors (see below), whose sum is σ = 106384320. Its totient is φ = 98100688.

The previous prime is 102221183. The next prime is 102221209. The reversal of 102221201 is 102122201.

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 102221201 - 2⁶ = 102221137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5711 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (13298040).

Almost surely, 2^102221201 is an apocalyptic number.

It is an amenable number.

102221201 is a deficient number, since it is larger than the sum of its proper divisors (4163119).

102221201 is a wasteful number, since it uses less digits than its factorization.

102221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21303.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102221201 is about 10110.4500888932. The cubic root of 102221201 is about 467.5703818464.

Adding to 102221201 its reverse (102122201), we get a palindrome (204343402).

The spelling of 102221201 in words is "one hundred two million, two hundred twenty-one thousand, two hundred one".