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20101110220212 = 223736209978643
BaseRepresentation
bin1001001001000001001111…
…00010001100010110110100
32122011122110221011212201120
410210200213202030112310
510113314033204021322
6110430153401023540
74143154151511000
oct444404742142664
978148427155646
1020101110220212
11644a918758aaa
122307891184bb0
13b2a6acb11cc8
144d6c8291b700
1524cd217c4a5c
hex12482788c5b4

20101110220212 has 96 divisors (see below), whose sum is σ = 54698474880000. Its totient is φ = 5743008837216.

The previous prime is 20101110220201. The next prime is 20101110220231. The reversal of 20101110220212 is 21202201110102.

It is a super-2 number, since 2×201011102202122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101110220191 and 20101110220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255560163 + ... + 255638805.

It is an arithmetic number, because the mean of its divisors is an integer number (569775780000).

Almost surely, 220101110220212 is an apocalyptic number.

It is an amenable number.

20101110220212 is an abundant number, since it is smaller than the sum of its proper divisors (34597364659788).

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

20101110220212 is a wasteful number, since it uses less digits than its factorization.

20101110220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140770 (or 140754 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20101110220212 its reverse (21202201110102), we get a palindrome (41303311330314).

The spelling of 20101110220212 in words is "twenty trillion, one hundred one billion, one hundred ten million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 343 588 686 1029 1372 2058 4116 62099 78643 124198 157286 186297 235929 248396 314572 372594 434693 471858 550501 745188 869386 943716 1101002 1304079 1651503 1738772 2202004 2608158 3042851 3303006 3853507 5216316 6085702 6606012 7707014 9128553 11560521 12171404 15414028 18257106 21299957 23121042 26974549 36514212 42599914 46242084 53949098 63899871 80923647 85199828 107898196 127799742 161847294 255599484 323694588 4883651657 9767303314 14650954971 19534606628 29301909942 34185561599 58603819884 68371123198 102556684797 136742246396 205113369594 239298931193 410226739188 478597862386 717896793579 957195724772 1435793587158 1675092518351 2871587174316 3350185036702 5025277555053 6700370073404 10050555110106 20101110220212