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11121102112212 = 2232893471005653
BaseRepresentation
bin1010000111010101010101…
…0101110100010111010100
31110101011111201122101112200
42201311111111310113110
52424202004120042322
635352544102044500
72225321164150011
oct241652525642724
943334451571480
1011121102112212
1135a8484241274
1212b7416719730
1362893ba4b611
142a639b00a708
151444432b18ac
hexa1d555745d4

11121102112212 has 36 divisors (see below), whose sum is σ = 28427536306260. Its totient is φ = 3665381968512.

The previous prime is 11121102112189. The next prime is 11121102112229. The reversal of 11121102112212 is 21221120112111.

It is a happy number.

11121102112212 is digitally balanced in base 2, 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 2 ways, for example, as 4736212048656 + 6384890063556 = 2176284^2 + 2526834^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 1735499623 + ... + 1735506030.

It is an arithmetic number, because the mean of its divisors is an integer number (789653786285).

Almost surely, 211121102112212 is an apocalyptic number.

11121102112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121102112212 is an abundant number, since it is smaller than the sum of its proper divisors (17306434194048).

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

11121102112212 is a wasteful number, since it uses less digits than its factorization.

11121102112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471005752 (or 3471005747 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11121102112212 its reverse (21221120112111), we get a palindrome (32342222224323).

The spelling of 11121102112212 in words is "eleven trillion, one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 89 178 267 356 534 801 1068 1602 3204 3471005653 6942011306 10413016959 13884022612 20826033918 31239050877 41652067836 62478101754 124956203508 308919503117 617839006234 926758509351 1235678012468 1853517018702 2780275528053 3707034037404 5560551056106 11121102112212