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110211201001220 = 225111961432234689
BaseRepresentation
bin11001000011110010001011…
…011111000110011100000100
3112110020002101002111021200112
4121003302023133012130010
5103421200014424014340
61030222154330132152
732133332205434024
oct3103621337063404
9473202332437615
10110211201001220
11321313428463a0
121043b804281058
134965b44062bb7
141d30371895a84
15cb1ca61cc065
hex643c8b7c6704

110211201001220 has 96 divisors (see below), whose sum is σ = 270129391862400. Its totient is φ = 37345077043200.

The previous prime is 110211201001199. The next prime is 110211201001229. The reversal of 110211201001220 is 22100102112011.

It is a super-2 number, since 2×1102112010012202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110211201001195 and 110211201001204.

It is not an unprimeable number, because it can be changed into a prime (110211201001229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215862365 + ... + 216372324.

It is an arithmetic number, because the mean of its divisors is an integer number (2813847831900).

Almost surely, 2110211201001220 is an apocalyptic number.

110211201001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110211201001220 is an abundant number, since it is smaller than the sum of its proper divisors (159918190861180).

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

110211201001220 is a wasteful number, since it uses less digits than its factorization.

110211201001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432234789 (or 432234787 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110211201001220 its reverse (22100102112011), we get a palindrome (132311303113231).

The spelling of 110211201001220 in words is "one hundred ten trillion, two hundred eleven billion, two hundred one million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 61 76 95 110 122 190 209 220 244 305 380 418 610 671 836 1045 1159 1220 1342 2090 2318 2684 3355 4180 4636 5795 6710 11590 12749 13420 23180 25498 50996 63745 127490 254980 432234689 864469378 1728938756 2161173445 4322346890 4754581579 8212459091 8644693780 9509163158 16424918182 19018326316 23772907895 26366316029 32849836364 41062295455 47545815790 52732632058 82124590910 90337050001 95091631580 105465264116 131831580145 164249181820 180674100002 263663160290 290029476319 361348200004 451685250005 500960004551 527326320580 580058952638 903370500010 1001920009102 1160117905276 1450147381595 1806741000020 2003840018204 2504800022755 2900294763190 5009600045510 5510560050061 5800589526380 10019200091020 11021120100122 22042240200244 27552800250305 55105600500610 110211201001220