221022200001 has 16 divisors (see below), whose sum is σ = 302830481600. Its totient is φ = 143285485248.

The previous prime is 221022199991. The next prime is 221022200039. The reversal of 221022200001 is 100002220122.

221022200001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221022200001 - 2¹⁴ = 221022183617 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 221022200001.

It is not an unprimeable number, because it can be changed into a prime (221022200051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357931 + ... + 755088.

It is an arithmetic number, because the mean of its divisors is an integer number (18926905100).

Almost surely, 2^221022200001 is an apocalyptic number.

It is an amenable number.

221022200001 is a deficient number, since it is larger than the sum of its proper divisors (81808281599).

221022200001 is a wasteful number, since it uses less digits than its factorization.

221022200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114848.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221022200001 its reverse (100002220122), we get a palindrome (321024420123).

The spelling of 221022200001 in words is "two hundred twenty-one billion, twenty-two million, two hundred thousand, one".