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12221220100110 = 235758196286191
BaseRepresentation
bin1011000111010111100101…
…1110111001100000001110
31121021100002211201120020120
42301311321132321200032
53100213024321200420
641554203452325410
72400645140565420
oct261657136714016
947240084646216
1012221220100110
113991a9915a31a
121454679a73866
136a85c10c79c8
14303720028810
15162d7e2bbd40
hexb1d797b980e

12221220100110 has 32 divisors (see below), whose sum is σ = 33521060846592. Its totient is φ = 2793421737120.

The previous prime is 12221220100079. The next prime is 12221220100121. The reversal of 12221220100110 is 1100102212221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12221220100110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29098142886 + ... + 29098143305.

It is an arithmetic number, because the mean of its divisors is an integer number (1047533151456).

Almost surely, 212221220100110 is an apocalyptic number.

12221220100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221220100110 is an abundant number, since it is smaller than the sum of its proper divisors (21299840746482).

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

12221220100110 is a wasteful number, since it uses less digits than its factorization.

12221220100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58196286208.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221220100110 its reverse (1100102212221), we get a palindrome (13321322312331).

The spelling of 12221220100110 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, one hundred thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 58196286191 116392572382 174588858573 290981430955 349177717146 407374003337 581962861910 814748006674 872944292865 1222122010011 1745888585730 2036870016685 2444244020022 4073740033370 6110610050055 12221220100110