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11011110010121 = 1311312759020867
BaseRepresentation
bin1010000000111011100101…
…0011001111110100001001
31102222122121012002200001202
42200032321103033310021
52420401223130310441
635230233433353545
72214345366542354
oct240167123176411
942878535080052
1011011110010121
1135658705a5a61
12129a03a5688b5
1361b460088540
142a0d24cc129b
15141656c2919b
hexa03b94cfd09

11011110010121 has 16 divisors (see below), whose sum is σ = 12057255081984. Its totient is φ = 9994829531904.

The previous prime is 11011110010111. The next prime is 11011110010123. The reversal of 11011110010121 is 12101001111011.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11011110010121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11011110010123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29323871 + ... + 29696996.

It is an arithmetic number, because the mean of its divisors is an integer number (753578442624).

Almost surely, 211011110010121 is an apocalyptic number.

It is an amenable number.

11011110010121 is a deficient number, since it is larger than the sum of its proper divisors (1046145071863).

11011110010121 is a wasteful number, since it uses less digits than its factorization.

11011110010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59021120.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11011110010121 its reverse (12101001111011), we get a palindrome (23112111121132).

The spelling of 11011110010121 in words is "eleven trillion, eleven billion, one hundred ten million, ten thousand, one hundred twenty-one".

Divisors: 1 13 113 127 1469 1651 14351 186563 59020867 767271271 6669357971 7495650109 86701653623 97443451417 847008462317 11011110010121