Search a number
-
+
121110110212100 = 225210111991100021
BaseRepresentation
bin11011100010011000100101…
…000110010001000000000100
3120212211000100210222210101012
4123202120211012101000010
5111333232001203241400
61105325114435221352
734336626301250552
oct3342304506210004
9525730323883335
10121110110212100
1135653566976199
12116bbb4aa47858
1352768329a0169
1421c9a91188bd2
15e005429d4d35
hex6e2625191004

121110110212100 has 36 divisors (see below), whose sum is σ = 265411007886948. Its totient is φ = 47964400080000.

The previous prime is 121110110212073. The next prime is 121110110212121. The reversal of 121110110212100 is 1212011011121.

121110110212100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 12733307277376 + 108376802934724 = 3568376^2 + 10410418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5995539911 + ... + 5995560110.

Almost surely, 2121110110212100 is an apocalyptic number.

121110110212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110110212100 is an abundant number, since it is smaller than the sum of its proper divisors (144300897674848).

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

121110110212100 is a wasteful number, since it uses less digits than its factorization.

121110110212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991100136 (or 11991100129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121110110212100 its reverse (1212011011121), we get a palindrome (122322121223221).

The spelling of 121110110212100 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred ten million, two hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 5050 10100 11991100021 23982200042 47964400084 59955500105 119911000210 239822000420 299777500525 599555001050 1199110002100 1211101102121 2422202204242 4844404408484 6055505510605 12111011021210 24222022042420 30277527553025 60555055106050 121110110212100