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2200211201221 = 117914922697489
BaseRepresentation
bin100000000001000110110…
…011101001110011000101
321210100010111112200001221
4200001012303221303011
5242022013031414341
64402432453520341
7314650166431045
oct40010663516305
97710114480057
102200211201221
11779116955650
122b64ba3430b1
1312c62c560087
14786c2a2b725
153c374c6eed1
hex20046ce9cc5

2200211201221 has 32 divisors (see below), whose sum is σ = 2448331200000. Its totient is φ = 1960492584960.

The previous prime is 2200211201213. The next prime is 2200211201273. The reversal of 2200211201221 is 1221021120022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2200211201221 - 23 = 2200211201213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200211201195 and 2200211201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200211202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293788645 + ... + 293796133.

It is an arithmetic number, because the mean of its divisors is an integer number (76510350000).

Almost surely, 22200211201221 is an apocalyptic number.

It is an amenable number.

2200211201221 is a deficient number, since it is larger than the sum of its proper divisors (248119998779).

2200211201221 is a wasteful number, since it uses less digits than its factorization.

2200211201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2200211201221 its reverse (1221021120022), we get a palindrome (3421232321243).

The spelling of 2200211201221 in words is "two trillion, two hundred billion, two hundred eleven million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 11 79 149 869 1639 2269 7489 11771 24959 82379 129481 179251 338081 591631 1115861 1971761 3718891 6507941 12274471 16992541 26708399 88153019 186917951 293792389 969683209 1342410739 2531888609 14766518129 27850774699 200019200111 2200211201221