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11021222100222 = 23217256571403791
BaseRepresentation
bin1010000001100001010000…
…0001110011110011111110
31110000121200220210001220100
42200120110001303303332
52421032430324201342
635235025102501530
72215154105102535
oct240302401636376
943017626701810
1011021222100222
11356a08a609a14
12129bba0b948a6
1361c3b20604c9
142a1603ca131c
15141a49878e4c
hexa0614073cfe

11021222100222 has 48 divisors (see below), whose sum is σ = 25284983585472. Its totient is φ = 3457501079040.

The previous prime is 11021222100169. The next prime is 11021222100247. The reversal of 11021222100222 is 22200122212011.

It is a happy number.

11021222100222 is a `hidden beast` number, since 1 + 10 + 212 + 221 + 0 + 0 + 222 = 666.

It is a super-2 number, since 2×110212221002222 (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11021222100195 and 11021222100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7149147 + ... + 8552937.

It is an arithmetic number, because the mean of its divisors is an integer number (526770491364).

Almost surely, 211021222100222 is an apocalyptic number.

11021222100222 is an abundant number, since it is smaller than the sum of its proper divisors (14263761485250).

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

11021222100222 is a wasteful number, since it uses less digits than its factorization.

11021222100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429473 (or 1429470 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11021222100222 its reverse (22200122212011), we get a palindrome (33221344312233).

The spelling of 11021222100222 in words is "eleven trillion, twenty-one billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 25657 51314 76971 153942 230913 436169 461826 872338 1308507 1403791 2617014 2807582 3925521 4211373 7851042 8422746 12634119 23864447 25268238 47728894 71593341 143186682 214780023 429560046 36017065687 72034131374 108051197061 216102394122 324153591183 612290116679 648307182366 1224580233358 1836870350037 3673740700074 5510611050111 11021222100222