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11121210200221 = 112172353343487
BaseRepresentation
bin1010000111010101101111…
…0010001001000010011101
31110101011210021000211102021
42201311123302021002131
52424202214302401341
635353002522500141
72225323645656262
oct241653362110235
943334707024367
1011121210200221
1135a852a257400
1212b7446964651
13628958264614
142a63ab505269
1514444ca129d1
hexa1d5bc8909d

11121210200221 has 12 divisors (see below), whose sum is σ = 12231235050496. Its totient is φ = 10104323118120.

The previous prime is 11121210200197. The next prime is 11121210200237. The reversal of 11121210200221 is 12200201212111.

It is not a de Polignac number, because 11121210200221 - 239 = 10571454386333 is a prime.

It is a super-2 number, since 2×111212102002212 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121210200195 and 11121210200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121210200291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26463261 + ... + 26880226.

Almost surely, 211121210200221 is an apocalyptic number.

11121210200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11121210200221 is a deficient number, since it is larger than the sum of its proper divisors (1110024850275).

11121210200221 is a wasteful number, since it uses less digits than its factorization.

11121210200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53345232 (or 53345221 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121210200221 its reverse (12200201212111), we get a palindrome (23321411412332).

The spelling of 11121210200221 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, two hundred thousand, two hundred twenty-one".

Divisors: 1 11 121 1723 18953 208483 53343487 586778357 6454561927 91910828101 1011019109111 11121210200221