201201222201 has 32 divisors (see below), whose sum is σ = 311382429696. Its totient is φ = 113180760000.

The previous prime is 201201222193. The next prime is 201201222241. The reversal of 201201222201 is 102222102102.

It is not a de Polignac number, because 201201222201 - 2³ = 201201222193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201201222241) 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 31 ways as a sum of consecutive naturals, for example, 883476 + ... + 1087626.

It is an arithmetic number, because the mean of its divisors is an integer number (9730700928).

Almost surely, 2^201201222201 is an apocalyptic number.

201201222201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201201222201 is a deficient number, since it is larger than the sum of its proper divisors (110181207495).

201201222201 is a wasteful number, since it uses less digits than its factorization.

201201222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204893.

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

Adding to 201201222201 its reverse (102222102102), we get a palindrome (303423324303).

The spelling of 201201222201 in words is "two hundred one billion, two hundred one million, two hundred twenty-two thousand, two hundred one".