22010000100221 has 16 divisors (see below), whose sum is σ = 25868612352000. Its totient is φ = 18334378904688.

The previous prime is 22010000100173. The next prime is 22010000100239. The reversal of 22010000100221 is 12200100001022.

It is a happy number.

It is not a de Polignac number, because 22010000100221 - 2¹⁴ = 22010000083837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010000100241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183666041 + ... + 183785838.

It is an arithmetic number, because the mean of its divisors is an integer number (1616788272000).

Almost surely, 2^{22010000100221} is an apocalyptic number.

It is an amenable number.

22010000100221 is a deficient number, since it is larger than the sum of its proper divisors (3858612251779).

22010000100221 is a wasteful number, since it uses less digits than its factorization.

22010000100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367452128.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22010000100221 its reverse (12200100001022), we get a palindrome (34210100101243).

The spelling of 22010000100221 in words is "twenty-two trillion, ten billion, one hundred thousand, two hundred twenty-one".