221022000212201 has 16 divisors (see below), whose sum is σ = 223593984366720. Its totient is φ = 218460092048640.

The previous prime is 221022000212183. The next prime is 221022000212219. The reversal of 221022000212201 is 102212000220122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (221022000212183) and next prime (221022000212219).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221022000212201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221022000212201.

It is not an unprimeable number, because it can be changed into a prime (221022000212401) 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, 266177996 + ... + 267007058.

It is an arithmetic number, because the mean of its divisors is an integer number (13974624022920).

Almost surely, 2^{221022000212201} is an apocalyptic number.

It is an amenable number.

221022000212201 is a deficient number, since it is larger than the sum of its proper divisors (2571984154519).

221022000212201 is a wasteful number, since it uses less digits than its factorization.

221022000212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835136.

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

Adding to 221022000212201 its reverse (102212000220122), we get a palindrome (323234000432323).

The spelling of 221022000212201 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred twelve thousand, two hundred one".