201220322001 has 8 divisors (see below), whose sum is σ = 268512070080. Its totient is φ = 134037727632.

The previous prime is 201220321969. The next prime is 201220322029. The reversal of 201220322001 is 100223022102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201220322001 - 2⁵ = 201220321969 is a prime.

It is a super-2 number, since 2×201220322001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201220322701) 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, 27284125 + ... + 27291498.

It is an arithmetic number, because the mean of its divisors is an integer number (33564008760).

Almost surely, 2^201220322001 is an apocalyptic number.

It is an amenable number.

201220322001 is a deficient number, since it is larger than the sum of its proper divisors (67291748079).

201220322001 is a wasteful number, since it uses less digits than its factorization.

201220322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54576855.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201220322001 its reverse (100223022102), we get a palindrome (301443344103).

The spelling of 201220322001 in words is "two hundred one billion, two hundred twenty million, three hundred twenty-two thousand, one".