22100010201221 has 8 divisors (see below), whose sum is σ = 22195030848864. Its totient is φ = 22005187308720.

The previous prime is 22100010201209. The next prime is 22100010201233. The reversal of 22100010201221 is 12210201000122.

It is an interprime number because it is at equal distance from previous prime (22100010201209) and next prime (22100010201233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22100010201221 - 2³⁴ = 22082830332037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100010201196 and 22100010201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100010201271) 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 7 ways as a sum of consecutive naturals, for example, 49214795 + ... + 49661816.

It is an arithmetic number, because the mean of its divisors is an integer number (2774378856108).

Almost surely, 2^{22100010201221} is an apocalyptic number.

It is an amenable number.

22100010201221 is a deficient number, since it is larger than the sum of its proper divisors (95020647643).

22100010201221 is an equidigital number, since it uses as much as digits as its factorization.

22100010201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98877571.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100010201221 its reverse (12210201000122), we get a palindrome (34310211201343).

The spelling of 22100010201221 in words is "twenty-two trillion, one hundred billion, ten million, two hundred one thousand, two hundred twenty-one".