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2121210122110 = 25412951373459
BaseRepresentation
bin11110110111100001111…
…110011100111101111110
321111210012210002000220221
4132313201332130331332
5234223214242401420
64302245342331554
7306152364354202
oct36674176347576
97453183060827
102121210122110
117486668a5622
122a3130b89bba
1312504c378211
147494a7dcb02
153a29e31ccaa
hex1ede1f9cf7e

2121210122110 has 16 divisors (see below), whose sum is σ = 3819103016400. Its totient is φ = 848278538496.

The previous prime is 2121210122107. The next prime is 2121210122111. The reversal of 2121210122110 is 112210121212.

It is a super-3 number, since 3×21212101221103 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121210122111) 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 7 ways as a sum of consecutive naturals, for example, 25645440 + ... + 25728019.

It is an arithmetic number, because the mean of its divisors is an integer number (238693938525).

Almost surely, 22121210122110 is an apocalyptic number.

2121210122110 is a deficient number, since it is larger than the sum of its proper divisors (1697892894290).

2121210122110 is a wasteful number, since it uses less digits than its factorization.

2121210122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51377595.

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

Adding to 2121210122110 its reverse (112210121212), we get a palindrome (2233420243322).

The spelling of 2121210122110 in words is "two trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 4129 8258 20645 41290 51373459 102746918 256867295 513734590 212121012211 424242024422 1060605061055 2121210122110