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11112012021110 = 25711131399793489
BaseRepresentation
bin1010000110110011011110…
…0001110111110101110110
31110100022001020000220202212
42201230313201313311312
52424024400034133420
635344442101533422
72224550005513460
oct241546741676566
943308036026685
1011112012021110
1135a463a107290
1212b56ba414272
13627b20716aa0
142a5b77a63130
151440b023b3c5
hexa1b37877d76

11112012021110 has 128 divisors (see below), whose sum is σ = 26874554112000. Its totient is φ = 3194773125120.

The previous prime is 11112012021059. The next prime is 11112012021113. The reversal of 11112012021110 is 1112021021111.

It is a super-2 number, since 2×111120120211102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112012021113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13607246 + ... + 14400734.

It is an arithmetic number, because the mean of its divisors is an integer number (209957454000).

Almost surely, 211112012021110 is an apocalyptic number.

11112012021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112012021110 is an abundant number, since it is smaller than the sum of its proper divisors (15762542090890).

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

11112012021110 is a wasteful number, since it uses less digits than its factorization.

11112012021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794926.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112012021110 its reverse (1112021021111), we get a palindrome (12224033042221).

Subtracting from 11112012021110 its reverse (1112021021111), we obtain a palindrome (9999990999999).

The spelling of 11112012021110 in words is "eleven trillion, one hundred twelve billion, twelve million, twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1399 1430 2002 2798 5005 6995 9793 10010 13990 15389 18187 19586 30778 36374 48965 76945 90935 97930 107723 127309 153890 181870 200057 215446 254618 400114 538615 636545 793489 1000285 1077230 1273090 1400399 1586978 2000570 2800798 3967445 5554423 7001995 7934890 8728379 10315357 11108846 14003990 17456758 20630714 27772115 43641895 51576785 55544230 61098653 72207499 87283790 103153570 113468927 122197306 144414998 226937854 305493265 361037495 567344635 610986530 722074990 794282489 1110091111 1134689270 1588564978 2220182222 3971412445 5550455555 7770637777 7942824890 11100911110 12211002221 14431184443 15541275554 24422004442 28862368886 38853188885 61055011105 72155922215 77706377770 85477015547 101018291101 122110022210 144311844430 158743028873 170954031094 202036582202 317486057746 427385077735 505091455505 793715144365 854770155470 1010182911010 1111201202111 1587430288730 2222402404222 5556006010555 11112012021110