201222201 has 8 divisors (see below), whose sum is σ = 268966944. Its totient is φ = 133812800.

The previous prime is 201222191. The next prime is 201222211. The reversal of 201222201 is 102222102.

It is an interprime number because it is at equal distance from previous prime (201222191) and next prime (201222211).

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 201222201 - 2¹⁰ = 201221177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201222211) 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 7 ways as a sum of consecutive naturals, for example, 82431 + ... + 84836.

It is an arithmetic number, because the mean of its divisors is an integer number (33620868).

Almost surely, 2^201222201 is an apocalyptic number.

It is an amenable number.

201222201 is a deficient number, since it is larger than the sum of its proper divisors (67744743).

201222201 is a wasteful number, since it uses less digits than its factorization.

201222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167671.

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

The square root of 201222201 is about 14185.2811392654. The cubic root of 201222201 is about 585.9923750789.

Adding to 201222201 its reverse (102222102), we get a palindrome (303444303).

Subtracting from 201222201 its reverse (102222102), we obtain a palindrome (99000099).

It can be divided in two parts, 20 and 1222201, that added together give a palindrome (1222221).

The spelling of 201222201 in words is "two hundred one million, two hundred twenty-two thousand, two hundred one".