222021020220221 has 8 divisors (see below), whose sum is σ = 222176047680000. Its totient is φ = 221866046870400.

The previous prime is 222021020220193. The next prime is 222021020220229. The reversal of 222021020220221 is 122022020120222.

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 222021020220221 - 2¹⁰ = 222021020219197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222021020220193 and 222021020220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021020220229) 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, 5316596 + ... + 21732653.

It is an arithmetic number, because the mean of its divisors is an integer number (27772005960000).

Almost surely, 2^{222021020220221} is an apocalyptic number.

It is an amenable number.

222021020220221 is a deficient number, since it is larger than the sum of its proper divisors (155027459779).

222021020220221 is a wasteful number, since it uses less digits than its factorization.

222021020220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27054979.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222021020220221 its reverse (122022020120222), we get a palindrome (344043040340443).

Subtracting from 222021020220221 its reverse (122022020120222), we obtain a palindrome (99999000099999).

The spelling of 222021020220221 in words is "two hundred twenty-two trillion, twenty-one billion, twenty million, two hundred twenty thousand, two hundred twenty-one".