220221210212101 has 8 divisors (see below), whose sum is σ = 253284449235200. Its totient is φ = 187558737722928.

The previous prime is 220221210212039. The next prime is 220221210212233. The reversal of 220221210212101 is 101212012122022.

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 220221210212101 - 2⁷ = 220221210211973 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 (220221210812101) 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, 100191632301 + ... + 100191634498.

It is an arithmetic number, because the mean of its divisors is an integer number (31660556154400).

Almost surely, 2^{220221210212101} is an apocalyptic number.

It is an amenable number.

220221210212101 is a deficient number, since it is larger than the sum of its proper divisors (33063239023099).

220221210212101 is a wasteful number, since it uses less digits than its factorization.

220221210212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200383266963.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220221210212101 its reverse (101212012122022), we get a palindrome (321433222334123).

The spelling of 220221210212101 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred one".