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101200120110020 = 225149171911975439
BaseRepresentation
bin10111000000101001111101…
…001101011101101111000100
3111021022122012101000212020102
4113000221331031131233010
5101231030321222010040
6555122405433423232
730213316213565261
oct2700517515355704
9437278171025212
10101200120110020
112a27780357a748
12b42531756ab18
134461190595969
141adc17d284268
15ba76a9cd3515
hex5c0a7d35dbc4

101200120110020 has 48 divisors (see below), whose sum is σ = 213959116224000. Its totient is φ = 40206010596480.

The previous prime is 101200120110013. The next prime is 101200120110041. The reversal of 101200120110020 is 20011021002101.

101200120110020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 101200120109983 and 101200120110010.

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, 50241461 + ... + 52216899.

It is an arithmetic number, because the mean of its divisors is an integer number (4457481588000).

Almost surely, 2101200120110020 is an apocalyptic number.

101200120110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200120110020 is an abundant number, since it is smaller than the sum of its proper divisors (112758996113980).

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

101200120110020 is a wasteful number, since it uses less digits than its factorization.

101200120110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992788 (or 1992786 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101200120110020 its reverse (20011021002101), we get a palindrome (121211141112121).

The spelling of 101200120110020 in words is "one hundred one trillion, two hundred billion, one hundred twenty million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 17191 34382 68764 85955 171910 343820 1975439 2561459 3950878 5122918 7901756 9877195 10245836 12807295 19754390 25614590 39508780 51229180 294340411 588680822 1177361644 1471702055 2943404110 5886808220 33959771849 67919543698 135839087396 169798859245 339597718490 679195436980 5060006005501 10120012011002 20240024022004 25300030027505 50600060055010 101200120110020