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120221200110220 = 22511547139998759
BaseRepresentation
bin11011010101011100101101…
…111011010101001010001100
3120202200000221010210220102021
4123111130231323111022030
5111224201004212011340
61103404505030535524
734215460261122526
oct3325345573251214
9522600833726367
10120221200110220
1135340585335a60
12115978108075a4
135210a6c956161
142198a46994a16
15dd7368da3e4a
hex6d572ded528c

120221200110220 has 48 divisors (see below), whose sum is σ = 275416619385600. Its totient is φ = 43716676368320.

The previous prime is 120221200110211. The next prime is 120221200110227. The reversal of 120221200110220 is 22011002122021.

It is a happy number.

It is a super-2 number, since 2×1202212001102202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120221200110194 and 120221200110203.

It is not an unprimeable number, because it can be changed into a prime (120221200110227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119871201 + ... + 120869959.

It is an arithmetic number, because the mean of its divisors is an integer number (5737846237200).

Almost surely, 2120221200110220 is an apocalyptic number.

120221200110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221200110220 is an abundant number, since it is smaller than the sum of its proper divisors (155195419275380).

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

120221200110220 is a wasteful number, since it uses less digits than its factorization.

120221200110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545918 (or 1545916 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120221200110220 its reverse (22011002122021), we get a palindrome (142232202232241).

The spelling of 120221200110220 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 547139 998759 1094278 1997518 2188556 2735695 3995036 4993795 5471390 6018529 9987590 10942780 10986349 12037058 19975180 21972698 24074116 30092645 43945396 54931745 60185290 109863490 120370580 219726980 546460000501 1092920001002 2185840002004 2732300002505 5464600005010 6011060005511 10929200010020 12022120011022 24044240022044 30055300027555 60110600055110 120221200110220