22100010020221 has 8 divisors (see below), whose sum is σ = 25301542985280. Its totient is φ = 18909574224288.

The previous prime is 22100010020149. The next prime is 22100010020267. The reversal of 22100010020221 is 12202001000122.

It is a happy number.

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 22100010020221 - 2⁷ = 22100010020093 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 (22100010020521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774288011 + ... + 2774295976.

It is an arithmetic number, because the mean of its divisors is an integer number (3162692873160).

Almost surely, 2^{22100010020221} is an apocalyptic number.

It is an amenable number.

22100010020221 is a deficient number, since it is larger than the sum of its proper divisors (3201532965059).

22100010020221 is an equidigital number, since it uses as much as digits as its factorization.

22100010020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548584563.

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

Adding to 22100010020221 its reverse (12202001000122), we get a palindrome (34302011020343).

The spelling of 22100010020221 in words is "twenty-two trillion, one hundred billion, ten million, twenty thousand, two hundred twenty-one".