220200021102221 has 8 divisors (see below), whose sum is σ = 222157963981824. Its totient is φ = 218242240856640.

The previous prime is 220200021102203. The next prime is 220200021102253. The reversal of 220200021102221 is 122201120002022.

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 a de Polignac number, because none of the positive numbers 2^k-220200021102221 is a prime.

It is a super-2 number, since 2×220200021102221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220200021102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200021162221) 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, 37937741 + ... + 43355186.

It is an arithmetic number, because the mean of its divisors is an integer number (27769745497728).

Almost surely, 2^{220200021102221} is an apocalyptic number.

It is an amenable number.

220200021102221 is a deficient number, since it is larger than the sum of its proper divisors (1957942879603).

220200021102221 is a wasteful number, since it uses less digits than its factorization.

220200021102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81317011.

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

Adding to 220200021102221 its reverse (122201120002022), we get a palindrome (342401141104243).

The spelling of 220200021102221 in words is "two hundred twenty trillion, two hundred billion, twenty-one million, one hundred two thousand, two hundred twenty-one".