Search a number
-
+
121022112020110 = 2576128342414993
BaseRepresentation
bin11011100001000110100111…
…111111110011011010001110
3120212111121020001212110121021
4123201012213333303122032
5111330311241134120420
61105220442444424354
734330362520046140
oct3341064777633216
9525447201773537
10121022112020110
113561a20a217094
12116a6a905480ba
13526b44a809182
1421c5704096c90
15ded0e22767aa
hex6e11a7ff368e

121022112020110 has 32 divisors (see below), whose sum is σ = 253041081066432. Its totient is φ = 40813077588480.

The previous prime is 121022112020107. The next prime is 121022112020137. The reversal of 121022112020110 is 11020211220121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14171203227 + ... + 14171211766.

It is an arithmetic number, because the mean of its divisors is an integer number (7907533783326).

Almost surely, 2121022112020110 is an apocalyptic number.

121022112020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022112020110 is an abundant number, since it is smaller than the sum of its proper divisors (132018969046322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022112020110 is a wasteful number, since it uses less digits than its factorization.

121022112020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28342415068.

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

Adding to 121022112020110 its reverse (11020211220121), we get a palindrome (132042323240231).

The spelling of 121022112020110 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twelve million, twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 61 70 122 305 427 610 854 2135 4270 28342414993 56684829986 141712074965 198396904951 283424149930 396793809902 991984524755 1728887314573 1983969049510 3457774629146 8644436572865 12102211202011 17288873145730 24204422404022 60511056010055 121022112020110