22200022021201 has 4 divisors (see below), whose sum is σ = 22200179956900. Its totient is φ = 22199864085504.

The previous prime is 22200022021193. The next prime is 22200022021223. The reversal of 22200022021201 is 10212022000222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21290241798225 + 909780222976 = 4614135^2 + 953824^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200022021201 - 2³ = 22200022021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22200022021231) 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 3 ways as a sum of consecutive naturals, for example, 78756816 + ... + 79038193.

It is an arithmetic number, because the mean of its divisors is an integer number (5550044989225).

Almost surely, 2^{22200022021201} is an apocalyptic number.

It is an amenable number.

22200022021201 is a deficient number, since it is larger than the sum of its proper divisors (157935699).

22200022021201 is a wasteful number, since it uses less digits than its factorization.

22200022021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157935698.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22200022021201 its reverse (10212022000222), we get a palindrome (32412044021423).

The spelling of 22200022021201 in words is "twenty-two trillion, two hundred billion, twenty-two million, twenty-one thousand, two hundred one".