22010221201201 has 4 divisors (see below), whose sum is σ = 22769194346100. Its totient is φ = 21251248056304.

The previous prime is 22010221201187. The next prime is 22010221201207. The reversal of 22010221201201 is 10210212201022.

It is a happy number.

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 16930714943025 + 5079506258176 = 4114695^2 + 2253776^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010221201201 - 2²⁷ = 22010086983473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010221201207) 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, 379486572406 + ... + 379486572463.

It is an arithmetic number, because the mean of its divisors is an integer number (5692298586525).

Almost surely, 2^{22010221201201} is an apocalyptic number.

It is an amenable number.

22010221201201 is a deficient number, since it is larger than the sum of its proper divisors (758973144899).

22010221201201 is an equidigital number, since it uses as much as digits as its factorization.

22010221201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758973144898.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22010221201201 its reverse (10210212201022), we get a palindrome (32220433402223).

The spelling of 22010221201201 in words is "twenty-two trillion, ten billion, two hundred twenty-one million, two hundred one thousand, two hundred one".