201213220201 has 24 divisors (see below), whose sum is σ = 236505147840. Its totient is φ = 170671788000.

The previous prime is 201213220199. The next prime is 201213220223. The reversal of 201213220201 is 102022312102.

It is a happy number.

It is not a de Polignac number, because 201213220201 - 2¹ = 201213220199 is a prime.

It is a super-3 number, since 3×201213220201³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201213220261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10536780 + ... + 10555858.

It is an arithmetic number, because the mean of its divisors is an integer number (9854381160).

Almost surely, 2^201213220201 is an apocalyptic number.

It is an amenable number.

201213220201 is a deficient number, since it is larger than the sum of its proper divisors (35291927639).

201213220201 is a wasteful number, since it uses less digits than its factorization.

201213220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21325 (or 21318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201213220201 its reverse (102022312102), we get a palindrome (303235532303).

The spelling of 201213220201 in words is "two hundred one billion, two hundred thirteen million, two hundred twenty thousand, two hundred one".