220200221101221 has 12 divisors (see below), whose sum is σ = 325463892687648. Its totient is φ = 143386190484264.

The previous prime is 220200221101213. The next prime is 220200221101279. The reversal of 220200221101221 is 122101122002022.

It is a happy number.

220200221101221 is a `hidden beast` number, since 2 + 20 + 200 + 221 + 1 + 0 + 1 + 221 = 666.

220200221101221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220200221101221 - 2³ = 220200221101213 is a prime.

It is a super-2 number, since 2×220200221101221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220200221101194 and 220200221101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200221106221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284496409305 + ... + 284496410078.

It is an arithmetic number, because the mean of its divisors is an integer number (27121991057304).

Almost surely, 2^{220200221101221} is an apocalyptic number.

It is an amenable number.

220200221101221 is a deficient number, since it is larger than the sum of its proper divisors (105263671586427).

220200221101221 is a wasteful number, since it uses less digits than its factorization.

220200221101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568992819432 (or 568992819429 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220200221101221 its reverse (122101122002022), we get a palindrome (342301343103243).

The spelling of 220200221101221 in words is "two hundred twenty trillion, two hundred billion, two hundred twenty-one million, one hundred one thousand, two hundred twenty-one".