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21120330110 = 2511192003001
BaseRepresentation
bin10011101010110111…
…101010100101111110
32000111220121221020112
4103222313222211332
5321223301030420
613411425550022
71345244562305
oct235267524576
960456557215
1021120330110
118a5896a680
1241151a5312
131cb7826069
141044dd743c
158392ba8c5
hex4eadea97e

21120330110 has 16 divisors (see below), whose sum is σ = 41472648432. Its totient is φ = 7680120000.

The previous prime is 21120330073. The next prime is 21120330113. The reversal of 21120330110 is 1103302112.

It is a super-3 number, since 3×211203301103 (a number of 32 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 (21120330113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96001391 + ... + 96001610.

It is an arithmetic number, because the mean of its divisors is an integer number (2592040527).

Almost surely, 221120330110 is an apocalyptic number.

21120330110 is a deficient number, since it is larger than the sum of its proper divisors (20352318322).

21120330110 is a wasteful number, since it uses less digits than its factorization.

21120330110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192003019.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21120330110 its reverse (1103302112), we get a palindrome (22223632222).

The spelling of 21120330110 in words is "twenty-one billion, one hundred twenty million, three hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 192003001 384006002 960015005 1920030010 2112033011 4224066022 10560165055 21120330110