221101200001 has 8 divisors (see below), whose sum is σ = 241351236000. Its totient is φ = 200876151840.

The previous prime is 221101199987. The next prime is 221101200007. The reversal of 221101200001 is 100002101122.

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 221101200001 - 2⁹ = 221101199489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221101200007) 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, 6228451 + ... + 6263848.

It is an arithmetic number, because the mean of its divisors is an integer number (30168904500).

Almost surely, 2^221101200001 is an apocalyptic number.

It is an amenable number.

221101200001 is a deficient number, since it is larger than the sum of its proper divisors (20250035999).

221101200001 is a wasteful number, since it uses less digits than its factorization.

221101200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12493919.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 221101200001 its reverse (100002101122), we get a palindrome (321103301123).

The spelling of 221101200001 in words is "two hundred twenty-one billion, one hundred one million, two hundred thousand, one".