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2002020210101 = 4721496082561
BaseRepresentation
bin11101001000100001101…
…101000001010110110101
321002101120020020011020102
4131020201231001112311
5230300114133210401
64131414305043445
7264432633002312
oct35104155012665
97071506204212
102002020210101
1170206324160a
12284008626585
13116a35c66672
146cc80cc9d09
153712553356b
hex1d221b415b5

2002020210101 has 12 divisors (see below), whose sum is σ = 2059251365100. Its totient is φ = 1946273218560.

The previous prime is 2002020210077. The next prime is 2002020210107. The reversal of 2002020210101 is 1010120202002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1167037287025 + 834982923076 = 1080295^2 + 913774^2 .

It is a de Polignac number, because none of the positive numbers 2k-2002020210101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2712140 + ... + 3370421.

It is an arithmetic number, because the mean of its divisors is an integer number (171604280425).

Almost surely, 22002020210101 is an apocalyptic number.

It is an amenable number.

2002020210101 is a deficient number, since it is larger than the sum of its proper divisors (57231154999).

2002020210101 is an equidigital number, since it uses as much as digits as its factorization.

2002020210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082804 (or 6082757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002020210101 its reverse (1010120202002), we get a palindrome (3012140412103).

The spelling of 2002020210101 in words is "two trillion, two billion, twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 47 149 2209 7003 329141 6082561 285880367 906301589 13436377249 42596174683 2002020210101