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210101100221012 = 227111361860209873
BaseRepresentation
bin101111110001010111111001…
…011100100001001001010100
31000112220110122220202200010212
4233301113321130201021110
5210014244023124033022
62022503040223104552
762153206060454060
oct5761277134411124
91015813586680125
10210101100221012
1160a43415828830
121b693001442158
1390305aab54290
1439c4d39d6caa0
151945329ae83e2
hexbf15f9721254

210101100221012 has 96 divisors (see below), whose sum is σ = 501756978664704. Its totient is φ = 74322132940800.

The previous prime is 210101100221011. The next prime is 210101100221017. The reversal of 210101100221012 is 210122001101012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101100221011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429860693 + ... + 430349180.

It is an arithmetic number, because the mean of its divisors is an integer number (5226635194424).

Almost surely, 2210101100221012 is an apocalyptic number.

210101100221012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210101100221012 is an abundant number, since it is smaller than the sum of its proper divisors (291655878443692).

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

210101100221012 is a wasteful number, since it uses less digits than its factorization.

210101100221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860209969 (or 860209967 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210101100221012 its reverse (210122001101012), we get a palindrome (420223101322024).

The spelling of 210101100221012 in words is "two hundred ten trillion, one hundred one billion, one hundred million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 61 77 91 122 143 154 182 244 286 308 364 427 572 671 793 854 1001 1342 1586 1708 2002 2684 3172 4004 4697 5551 8723 9394 11102 17446 18788 22204 34892 61061 122122 244244 860209873 1720419746 3440839492 6021469111 9462308603 11182728349 12042938222 18924617206 22365456698 24085876444 37849234412 44730913396 52472802253 66236160221 78279098443 104945604506 123010011839 132472320442 156558196886 209891209012 246020023678 264944640884 313116393772 367309615771 492040047356 577200824783 682146429289 734619231542 861070082873 1154401649566 1364292858578 1469238463084 1722140165746 2308803299132 2728585717156 3444280331492 4040405773481 4775025005023 7503610722179 8080811546962 9550050010046 15007221444358 16161623093924 19100100020092 30014442888716 52525275055253 105050550110506 210101100221012