20022211100221 has 8 divisors (see below), whose sum is σ = 21842470769184. Its totient is φ = 18201961207920.

The previous prime is 20022211100219. The next prime is 20022211100249. The reversal of 20022211100221 is 12200111222002.

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 20022211100221 - 2¹ = 20022211100219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022211100195 and 20022211100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022211100261) 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, 2225910 + ... + 6708136.

It is an arithmetic number, because the mean of its divisors is an integer number (2730308846148).

Almost surely, 2^{20022211100221} is an apocalyptic number.

It is an amenable number.

20022211100221 is a deficient number, since it is larger than the sum of its proper divisors (1820259668963).

20022211100221 is a wasteful number, since it uses less digits than its factorization.

20022211100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888331.

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

Adding to 20022211100221 its reverse (12200111222002), we get a palindrome (32222322322223).

The spelling of 20022211100221 in words is "twenty trillion, twenty-two billion, two hundred eleven million, one hundred thousand, two hundred twenty-one".