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2112122201210 = 25764346925621
BaseRepresentation
bin11110101111000100010…
…010110010010001111010
321110220202102112211002222
4132233010102302101322
5234101111240414320
64254143500524042
7305411233330040
oct36570422622172
97426672484088
102112122201210
11744822a1309a
122a1415550622
13124231623428
147432785c390
1539e1b575825
hex1ebc44b247a

2112122201210 has 32 divisors (see below), whose sum is σ = 4351694481792. Its totient is φ = 723029952960.

The previous prime is 2112122201177. The next prime is 2112122201213. The reversal of 2112122201210 is 121022212112.

It is a super-2 number, since 2×21121222012102 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112122201213) 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, 23417801 + ... + 23507820.

It is an arithmetic number, because the mean of its divisors is an integer number (135990452556).

Almost surely, 22112122201210 is an apocalyptic number.

2112122201210 is an abundant number, since it is smaller than the sum of its proper divisors (2239572280582).

2112122201210 is a wasteful number, since it uses less digits than its factorization.

2112122201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46926278.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112122201210 its reverse (121022212112), we get a palindrome (2233144413322).

The spelling of 2112122201210 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 643 1286 3215 4501 6430 9002 22505 45010 46925621 93851242 234628105 328479347 469256210 656958694 1642396735 3284793470 30173174303 60346348606 150865871515 211212220121 301731743030 422424440242 1056061100605 2112122201210