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20102010112101 = 3131170929929873
BaseRepresentation
bin1001001001000010111010…
…01011000000100001100101
32122011201210122111010022210
410210201131023000201211
510113322404042041401
6110430422544514033
74143215356456341
oct444413513004145
978151718433283
1020102010112101
11645023a717105
122307aa261b919
13b2a7c439b408
144d6d2a24a621
1524cd757ce4d6
hex12485d2c0865

20102010112101 has 16 divisors (see below), whose sum is σ = 27023084637120. Its totient is φ = 13291257557760.

The previous prime is 20102010112081. The next prime is 20102010112103. The reversal of 20102010112101 is 10121101020102.

It is not a de Polignac number, because 20102010112101 - 211 = 20102010110053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102010112103) 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 15 ways as a sum of consecutive naturals, for example, 14293300 + ... + 15636573.

It is an arithmetic number, because the mean of its divisors is an integer number (1688942789820).

Almost surely, 220102010112101 is an apocalyptic number.

It is an amenable number.

20102010112101 is a deficient number, since it is larger than the sum of its proper divisors (6921074525019).

20102010112101 is a wasteful number, since it uses less digits than its factorization.

20102010112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29931716.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20102010112101 its reverse (10121101020102), we get a palindrome (30223111132203).

The spelling of 20102010112101 in words is "twenty trillion, one hundred two billion, ten million, one hundred twelve thousand, one hundred one".

Divisors: 1 3 131 393 1709 5127 223879 671637 29929873 89789619 3920813363 11762440089 51150152957 153450458871 6700670037367 20102010112101