221022221200001 has 32 divisors (see below), whose sum is σ = 242477095660800. Its totient is φ = 200239052396544.

The previous prime is 221022221199991. The next prime is 221022221200049. The reversal of 221022221200001 is 100002122220122.

It is a happy number.

221022221200001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221022221200001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221022221209001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3042293525 + ... + 3042366173.

It is an arithmetic number, because the mean of its divisors is an integer number (7577409239400).

Almost surely, 2^{221022221200001} is an apocalyptic number.

It is an amenable number.

221022221200001 is a deficient number, since it is larger than the sum of its proper divisors (21454874460799).

221022221200001 is a wasteful number, since it uses less digits than its factorization.

221022221200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92985.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221022221200001 its reverse (100002122220122), we get a palindrome (321024343420123).

The spelling of 221022221200001 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred twenty-one million, two hundred thousand, one".