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121122102222110 = 251131112338538209
BaseRepresentation
bin11011100010100011101111…
…111000001001110100011110
3120212212011022120002000112002
4123202203233320021310132
5111333431031132101420
61105334420421442302
734340532414536063
oct3342435770116436
9525764276060462
10121122102222110
113565866006a870
1211702336b70392
1352779c4297c82
1421ca4abac6c6a
15e009e56c8075
hex6e28efe09d1e

121122102222110 has 128 divisors (see below), whose sum is σ = 245824354897920. Its totient is φ = 42569419622400.

The previous prime is 121122102222101. The next prime is 121122102222181. The reversal of 121122102222110 is 11222201221121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14754789686 + ... + 14754797894.

It is an arithmetic number, because the mean of its divisors is an integer number (1920502772640).

Almost surely, 2121122102222110 is an apocalyptic number.

121122102222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122102222110 is an abundant number, since it is smaller than the sum of its proper divisors (124702252675810).

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

121122102222110 is a wasteful number, since it uses less digits than its factorization.

121122102222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13234.

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

Adding to 121122102222110 its reverse (11222201221121), we get a palindrome (132344303443231).

The spelling of 121122102222110 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1123 1705 2246 3410 3853 5615 7706 8209 11230 12353 16418 19265 24706 34813 38530 41045 42383 61765 69626 82090 84766 90299 119443 123530 174065 180598 211915 238886 254479 348130 382943 423830 451495 508958 597215 765886 902990 1194430 1272395 1313873 1914715 2544790 2627746 2799269 3829430 4326919 5598538 6569365 8653838 9218707 13138730 13996345 18437414 21634595 27992690 31629277 43269190 46093535 47596109 63258554 92187070 95192218 101405777 134134489 158146385 202811554 237980545 268268978 285779917 316292770 347922047 475961090 507028885 571559834 670672445 695844094 980507587 1014057770 1341344890 1428899585 1475479379 1739610235 1961015174 2857799170 2950958758 3143579087 3479220470 4902537935 6287158174 7377396895 9805075870 10785583457 14754793790 15717895435 21571166914 31435790870 35519678071 53927917285 71039356142 107855834570 177598390355 355196780710 390716458781 781432917562 1101110020201 1953582293905 2202220040402 3907164587810 5505550101005 11011100202010 12112210222211 24224420444422 60561051111055 121122102222110