201223201222001 has 8 divisors (see below), whose sum is σ = 229975880631360. Its totient is φ = 172472148764208.

The previous prime is 201223201221989. The next prime is 201223201222013. The reversal of 201223201222001 is 100222102322102.

It is an interprime number because it is at equal distance from previous prime (201223201221989) and next prime (201223201222013).

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 201223201222001 - 2¹⁴ = 201223201205617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201223201222031) 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, 406472846 + ... + 406967591.

It is an arithmetic number, because the mean of its divisors is an integer number (28746985078920).

Almost surely, 2^{201223201222001} is an apocalyptic number.

It is an amenable number.

201223201222001 is a deficient number, since it is larger than the sum of its proper divisors (28752679409359).

201223201222001 is an equidigital number, since it uses as much as digits as its factorization.

201223201222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813475783.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201223201222001 its reverse (100222102322102), we get a palindrome (301445303544103).

The spelling of 201223201222001 in words is "two hundred one trillion, two hundred twenty-three billion, two hundred one million, two hundred twenty-two thousand, one".