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11212222122110 = 251121222212211
BaseRepresentation
bin1010001100101000110010…
…0001000100100001111110
31110200212201001000111102002
42203022030201010201332
52432200112330401420
635502453532102302
72235025213356362
oct243121441044176
943625631014362
1011212222122110
1136330930a4379
121311006604992
13634400909339
142aa9629752a2
151469c7b28075
hexa328c84487e

11212222122110 has 8 divisors (see below), whose sum is σ = 20181999819816. Its totient is φ = 4484888848840.

The previous prime is 11212222122103. The next prime is 11212222122113. The reversal of 11212222122110 is 1122122221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212222122113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560611106096 + ... + 560611106115.

It is an arithmetic number, because the mean of its divisors is an integer number (2522749977477).

Almost surely, 211212222122110 is an apocalyptic number.

11212222122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212222122110 is a deficient number, since it is larger than the sum of its proper divisors (8969777697706).

11212222122110 is a wasteful number, since it uses less digits than its factorization.

11212222122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121222212218.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11212222122110 its reverse (1122122221211), we get a palindrome (12334344343321).

The spelling of 11212222122110 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 1121222212211 2242444424422 5606111061055 11212222122110