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2221200212101 = 131303131129359
BaseRepresentation
bin100000010100101001110…
…110011000000010000101
321212100022021001220012021
4200110221312120002011
5242343004223241401
64420223313123141
7316322261166433
oct40245166300205
97770267056167
102221200212101
11787007682132
122ba5975594b1
131315c5ac8040
14797143ddd53
153cba274b2a1
hex20529d98085

2221200212101 has 8 divisors (see below), whose sum is σ = 2393897596160. Its totient is φ = 2048765089392.

The previous prime is 2221200212093. The next prime is 2221200212113. The reversal of 2221200212101 is 1012120021222.

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 not a de Polignac number, because 2221200212101 - 23 = 2221200212093 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 (2221200212501) 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, 65547741 + ... + 65581618.

It is an arithmetic number, because the mean of its divisors is an integer number (299237199520).

Almost surely, 22221200212101 is an apocalyptic number.

It is an amenable number.

2221200212101 is a deficient number, since it is larger than the sum of its proper divisors (172697384059).

2221200212101 is a wasteful number, since it uses less digits than its factorization.

2221200212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131130675.

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

Adding to 2221200212101 its reverse (1012120021222), we get a palindrome (3233320233323).

The spelling of 2221200212101 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, one hundred one".

Divisors: 1 13 1303 16939 131129359 1704681667 170861554777 2221200212101