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101220120201 = 356475974861
BaseRepresentation
bin101111001000100110…
…0000111011010001001
3100200021012111212111210
41132101030013122021
53124244322321301
6114255550243333
710212220553154
oct1362114073211
9320235455453
10101220120201
1139a22134502
121774a4b6549
139711529c65
144c8310ac9b
1529763ebad6
hex1791307689

101220120201 has 8 divisors (see below), whose sum is σ = 134984082304. Its totient is φ = 67468119120.

The previous prime is 101220120191. The next prime is 101220120227. The reversal of 101220120201 is 102021022101.

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

It is not a de Polignac number, because 101220120201 - 27 = 101220120073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220120251) 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 7 ways as a sum of consecutive naturals, for example, 2970490 + ... + 3004371.

It is an arithmetic number, because the mean of its divisors is an integer number (16873010288).

Almost surely, 2101220120201 is an apocalyptic number.

It is an amenable number.

101220120201 is a deficient number, since it is larger than the sum of its proper divisors (33763962103).

101220120201 is an equidigital number, since it uses as much as digits as its factorization.

101220120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980511.

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

Adding to 101220120201 its reverse (102021022101), we get a palindrome (203241142302).

The spelling of 101220120201 in words is "one hundred one billion, two hundred twenty million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 5647 16941 5974861 17924583 33740040067 101220120201