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20102101010222 = 27112691798126987
BaseRepresentation
bin1001001001000011000101…
…00101110000011100101110
32122011202000222112020002212
410210201202211300130232
510113323100324311342
6110430435553050422
74143220542212420
oct444414245603456
978152028466085
1020102101010222
116450286a61220
122307b08b56a12
13b2a80a17609a
144d6d3834c810
1524cd7d787182
hex12486297072e

20102101010222 has 64 divisors (see below), whose sum is σ = 37736789276160. Its totient is φ = 7802149142400.

The previous prime is 20102101010209. The next prime is 20102101010237. The reversal of 20102101010222 is 22201010120102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20102101010197 and 20102101010206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744867413 + ... + 744894399.

It is an arithmetic number, because the mean of its divisors is an integer number (589637332440).

Almost surely, 220102101010222 is an apocalyptic number.

20102101010222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102101010222 is a deficient number, since it is larger than the sum of its proper divisors (17634688265938).

20102101010222 is a wasteful number, since it uses less digits than its factorization.

20102101010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45257.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102101010222 its reverse (22201010120102), we get a palindrome (42303111130324).

The spelling of 20102101010222 in words is "twenty trillion, one hundred two billion, one hundred one million, ten thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 269 538 1883 2959 3766 5918 17981 20713 26987 35962 41426 53974 125867 188909 197791 251734 296857 377818 395582 593714 1384537 2077999 2769074 4155998 4836889 7259503 9673778 14519006 33858223 50816521 53205779 67716446 79854533 101633042 106411558 159709066 372440453 485253247 558981731 744880906 970506494 1117963462 3396772729 5337785717 6793545458 10675571434 37364500019 74729000038 130533123443 261066246886 913731864101 1435864357873 1827463728202 2871728715746 10051050505111 20102101010222