22010000221201 has 4 divisors (see below), whose sum is σ = 22768965746100. Its totient is φ = 21251034696304.

The previous prime is 22010000221193. The next prime is 22010000221267. The reversal of 22010000221201 is 10212200001022.

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 12329936982801 + 9680063238400 = 3511401^2 + 3111280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010000221201 - 2³ = 22010000221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010000221801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379482762406 + ... + 379482762463.

It is an arithmetic number, because the mean of its divisors is an integer number (5692241436525).

Almost surely, 2^{22010000221201} is an apocalyptic number.

It is an amenable number.

22010000221201 is a deficient number, since it is larger than the sum of its proper divisors (758965524899).

22010000221201 is an equidigital number, since it uses as much as digits as its factorization.

22010000221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758965524898.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010000221201 its reverse (10212200001022), we get a palindrome (32222200222223).

The spelling of 22010000221201 in words is "twenty-two trillion, ten billion, two hundred twenty-one thousand, two hundred one".