220002221210021 has 8 divisors (see below), whose sum is σ = 220503502411584. Its totient is φ = 219501143006400.

The previous prime is 220002221210011. The next prime is 220002221210039. The reversal of 220002221210021 is 120012122200022.

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 220002221210021 - 2⁶ = 220002221209957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002221210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48579380 + ... + 52914653.

It is an arithmetic number, because the mean of its divisors is an integer number (27562937801448).

Almost surely, 2^{220002221210021} is an apocalyptic number.

It is an amenable number.

220002221210021 is a deficient number, since it is larger than the sum of its proper divisors (501281201563).

220002221210021 is a wasteful number, since it uses less digits than its factorization.

220002221210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101498971.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220002221210021 its reverse (120012122200022), we get a palindrome (340014343410043).

Subtracting from 220002221210021 its reverse (120012122200022), we obtain a palindrome (99990099009999).

The spelling of 220002221210021 in words is "two hundred twenty trillion, two billion, two hundred twenty-one million, two hundred ten thousand, twenty-one".