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122122110210220 = 225199172317808443
BaseRepresentation
bin11011110001000111000100…
…111111111001000010101100
3121000101202111211112021122001
4123301013010333321002230
5112001322040203211340
61111422042315302044
734503013510305061
oct3361070477710254
9530352454467561
10122122110210220
1135a037725512aa
12118440bb74a924
13531b0b10cc6b3
142222a5520cc68
15e1ba229bb29a
hex6f11c4ff90ac

122122110210220 has 48 divisors (see below), whose sum is σ = 257894762630400. Its totient is φ = 48575161204416.

The previous prime is 122122110210179. The next prime is 122122110210239. The reversal of 122122110210220 is 22012011221221.

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, 2046682 + ... + 15761761.

It is an arithmetic number, because the mean of its divisors is an integer number (5372807554800).

Almost surely, 2122122110210220 is an apocalyptic number.

122122110210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122110210220 is an abundant number, since it is smaller than the sum of its proper divisors (135772652420180).

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

122122110210220 is a wasteful number, since it uses less digits than its factorization.

122122110210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810374 (or 17810372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122122110210220 its reverse (22012011221221), we get a palindrome (144134121431441).

The spelling of 122122110210220 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred ten million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1723 1990 3446 3980 6892 8615 17230 34460 342877 685754 1371508 1714385 3428770 6857540 17808443 35616886 71233772 89042215 178084430 356168860 3543880157 7087760314 14175520628 17719400785 30683947289 35438801570 61367894578 70877603140 122735789156 153419736445 306839472890 613678945780 6106105510511 12212211021022 24424422042044 30530527552555 61061055105110 122122110210220