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210101111102012 = 221310188853450227
BaseRepresentation
bin101111110001010111111010…
…000110000001101000111100
31000112220110200200020111001212
4233301113322012001220330
5210014244033420231022
62022503041252223552
762153206252113104
oct5761277206015074
91015813620214055
10210101111102012
1160a4342098a899
121b69300500abb8
1390305b0193b40
1439c4d3b5a2204
15194532aa473e2
hexbf15fa181a3c

210101111102012 has 48 divisors (see below), whose sum is σ = 399885568885152. Its totient is φ = 96008353324800.

The previous prime is 210101111101979. The next prime is 210101111102021. The reversal of 210101111102012 is 210201111101012.

It is a congruent number.

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, 466430843 + ... + 466881069.

It is an arithmetic number, because the mean of its divisors is an integer number (8330949351774).

Almost surely, 2210101111102012 is an apocalyptic number.

It is an amenable number.

210101111102012 is a deficient number, since it is larger than the sum of its proper divisors (189784457783140).

210101111102012 is a wasteful number, since it uses less digits than its factorization.

210101111102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539198 (or 539196 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210101111102012 its reverse (210201111101012), we get a palindrome (420302222203024).

The spelling of 210101111102012 in words is "two hundred ten trillion, one hundred one billion, one hundred eleven million, one hundred two thousand, twelve".

Divisors: 1 2 4 13 26 52 101 202 404 1313 2626 5252 88853 177706 355412 450227 900454 1155089 1800908 2310178 4620356 5852951 8974153 11705902 17948306 23411804 35896612 45472927 90945854 116663989 181891708 233327978 466655956 591148051 1182296102 2364592204 40004019631 80008039262 160016078524 520052255203 1040104510406 2080209020812 4040405982731 8080811965462 16161623930924 52525277775503 105050555551006 210101111102012