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20211210122110 = 2571069270095017
BaseRepresentation
bin1001001100001110010011…
…11111111111001101111110
32122120011122222120101201221
410212013021333333031332
510122120024242401420
6110552522440023554
74154132425314430
oct446071177771576
978504588511657
1020211210122110
116492587232967
122325099461bba
13b37ba7c19b57
144dc3290a8650
15250b17552caa
hex1261c9fff37e

20211210122110 has 32 divisors (see below), whose sum is σ = 41616240373440. Its totient is φ = 6923075450112.

The previous prime is 20211210122057. The next prime is 20211210122111. The reversal of 20211210122110 is 1122101211202.

It is a super-2 number, since 2×202112101221102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211210122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134972679 + ... + 135122338.

It is an arithmetic number, because the mean of its divisors is an integer number (1300507511670).

Almost surely, 220211210122110 is an apocalyptic number.

20211210122110 is an abundant number, since it is smaller than the sum of its proper divisors (21405030251330).

20211210122110 is a wasteful number, since it uses less digits than its factorization.

20211210122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270096100.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20211210122110 its reverse (1122101211202), we get a palindrome (21333311333312).

The spelling of 20211210122110 in words is "twenty trillion, two hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1069 2138 5345 7483 10690 14966 37415 74830 270095017 540190034 1350475085 1890665119 2700950170 3781330238 9453325595 18906651190 288731573173 577463146346 1443657865865 2021121012211 2887315731730 4042242024422 10105605061055 20211210122110