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10201221201 = 319178968793
BaseRepresentation
bin10011000000000101…
…00100100001010001
3222022221101201201110
421200002210201101
5131343003034301
64404131323533
7510536643453
oct114002444121
928287351643
1010201221201
114365361526
121b884505a9
13c675b1582
146cab822d3
153ea8a90d6
hex2600a4851

10201221201 has 8 divisors (see below), whose sum is σ = 14317503520. Its totient is φ = 6442876512.

The previous prime is 10201221097. The next prime is 10201221203. The reversal of 10201221201 is 10212210201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10201221201 - 221 = 10199124049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201221203) 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, 89484340 + ... + 89484453.

It is an arithmetic number, because the mean of its divisors is an integer number (1789687940).

Almost surely, 210201221201 is an apocalyptic number.

It is an amenable number.

10201221201 is a deficient number, since it is larger than the sum of its proper divisors (4116282319).

10201221201 is a wasteful number, since it uses less digits than its factorization.

10201221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178968815.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10201221201 its reverse (10212210201), we get a palindrome (20413431402).

It can be divided in two parts, 1020 and 1221201, that added together give a palindrome (1222221).

The spelling of 10201221201 in words is "ten billion, two hundred one million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 3 19 57 178968793 536906379 3400407067 10201221201