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220200011221 = 4131543170267
BaseRepresentation
bin1100110100010011110…
…0011000010111010101
3210001101010011120120011
43031010330120113111
512101432200324341
6245054122240221
721623522133001
oct3150474302725
9701333146504
10220200011221
1185428190653
1236814656071
13179c3286238
14a92cb8d701
155adba4cb81
hex3344f185d5

220200011221 has 8 divisors (see below), whose sum is σ = 225579219264. Its totient is φ = 214821206880.

The previous prime is 220200011219. The next prime is 220200011237. The reversal of 220200011221 is 122110002022.

It is a happy number.

220200011221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220200011221 - 21 = 220200011219 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 (220203011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208130 + ... + 1378396.

It is an arithmetic number, because the mean of its divisors is an integer number (28197402408).

Almost surely, 2220200011221 is an apocalyptic number.

It is an amenable number.

220200011221 is a deficient number, since it is larger than the sum of its proper divisors (5379208043).

220200011221 is a wasteful number, since it uses less digits than its factorization.

220200011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201851.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220200011221 its reverse (122110002022), we get a palindrome (342310013243).

The spelling of 220200011221 in words is "two hundred twenty billion, two hundred million, eleven thousand, two hundred twenty-one".

Divisors: 1 41 31543 170267 1293263 6980947 5370731981 220200011221