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20102000121101 = 295471789708343
BaseRepresentation
bin1001001001000010111001…
…00100111001010100001101
32122011201202221200112020202
410210201130210321110031
510113322344012333401
6110430421550423245
74143215205525143
oct444413444712415
978151687615222
1020102000121101
116450235012788
122307a9b201b25
13b2a7c22b0992
144d6d28ba9593
1524cd749a906b
hex12485c93950d

20102000121101 has 16 divisors (see below), whose sum is σ = 20844863894400. Its totient is φ = 19362488902848.

The previous prime is 20102000121097. The next prime is 20102000121107. The reversal of 20102000121101 is 10112100020102.

It is a cyclic number.

It is not a de Polignac number, because 20102000121101 - 22 = 20102000121097 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 (20102000121107) 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 15 ways as a sum of consecutive naturals, for example, 28024736 + ... + 28733078.

It is an arithmetic number, because the mean of its divisors is an integer number (1302803993400).

Almost surely, 220102000121101 is an apocalyptic number.

It is an amenable number.

20102000121101 is a deficient number, since it is larger than the sum of its proper divisors (742863773299).

20102000121101 is a wasteful number, since it uses less digits than its factorization.

20102000121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710708.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20102000121101 its reverse (10112100020102), we get a palindrome (30214100141203).

The spelling of 20102000121101 in words is "twenty trillion, one hundred two billion, one hundred twenty-one thousand, one hundred one".

Divisors: 1 29 547 1789 15863 51881 708343 978583 20541947 28378907 387463621 1267225627 11236445009 36749543183 693172417969 20102000121101