221022201100001 has 16 divisors (see below), whose sum is σ = 252907147342080. Its totient is φ = 189214846272960.

The previous prime is 221022201099899. The next prime is 221022201100049. The reversal of 221022201100001 is 100001102220122.

It is a cyclic number.

It is not a de Polignac number, because 221022201100001 - 2¹⁰ = 221022201098977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221022201100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857087855 + ... + 857345691.

It is an arithmetic number, because the mean of its divisors is an integer number (15806696708880).

Almost surely, 2^{221022201100001} is an apocalyptic number.

It is an amenable number.

221022201100001 is a deficient number, since it is larger than the sum of its proper divisors (31884946242079).

221022201100001 is a wasteful number, since it uses less digits than its factorization.

221022201100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407824.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221022201100001 its reverse (100001102220122), we get a palindrome (321023303320123).

The spelling of 221022201100001 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred one million, one hundred thousand, one".