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2101000120201 = 13619154269779
BaseRepresentation
bin11110100100101101010…
…111011010011110001001
321102212001022101120012201
4132210231113122132021
5233410322012321301
64245104112040201
7304535512234633
oct36445527323611
97385038346181
102101000120201
11740035882004
1229b230833061
1312317b3238c8
147399068da53
15399b9e1e201
hex1e92d5da789

2101000120201 has 4 divisors (see below), whose sum is σ = 2101154403600. Its totient is φ = 2100845836804.

The previous prime is 2101000120189. The next prime is 2101000120253. The reversal of 2101000120201 is 1020210001012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101000120201 - 25 = 2101000120169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101000121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77121271 + ... + 77148508.

It is an arithmetic number, because the mean of its divisors is an integer number (525288600900).

Almost surely, 22101000120201 is an apocalyptic number.

It is an amenable number.

2101000120201 is a deficient number, since it is larger than the sum of its proper divisors (154283399).

2101000120201 is a wasteful number, since it uses less digits than its factorization.

2101000120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154283398.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101000120201 its reverse (1020210001012), we get a palindrome (3121210121213).

The spelling of 2101000120201 in words is "two trillion, one hundred one billion, one hundred twenty thousand, two hundred one".

Divisors: 1 13619 154269779 2101000120201