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11100121210212 = 2233221287181031
BaseRepresentation
bin1010000110000111001011…
…0010000001110101100100
31110022011100112101010201020
42201201302302001311210
52423331022012211322
635335154132331140
72223646231343346
oct241416262016544
943264315333636
1011100121210212
11359a598053041
1212b3340173ab0
136269770924c8
142a536a749296
15143b1638805c
hexa1872c81d64

11100121210212 has 24 divisors (see below), whose sum is σ = 25908323982912. Its totient is φ = 3698891666400.

The previous prime is 11100121210163. The next prime is 11100121210271. The reversal of 11100121210212 is 21201212100111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11100121210191 and 11100121210200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143551864 + ... + 143629167.

It is an arithmetic number, because the mean of its divisors is an integer number (1079513499288).

Almost surely, 211100121210212 is an apocalyptic number.

11100121210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11100121210212 is an abundant number, since it is smaller than the sum of its proper divisors (14808202772700).

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

11100121210212 is a wasteful number, since it uses less digits than its factorization.

11100121210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287184259 (or 287184257 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11100121210212 its reverse (21201212100111), we get a palindrome (32301333310323).

The spelling of 11100121210212 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 3221 6442 9663 12884 19326 38652 287181031 574362062 861543093 1148724124 1723086186 3446172372 925010100851 1850020201702 2775030302553 3700040403404 5550060605106 11100121210212