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212020110111 = 3172233101199
BaseRepresentation
bin1100010101110101100…
…0100010001100011111
3202021021001020112201210
43011131120202030133
511433204122010421
6241222314435503
721214025125545
oct3053530421437
9667231215653
10212020110111
1181a0a9088a7
1235111132b93
1316cbb6a5274
14a394655d95
1557ad868576
hex315d62231f

212020110111 has 96 divisors (see below), whose sum is σ = 318651264000. Its totient is φ = 125355225600.

The previous prime is 212020110109. The next prime is 212020110119. The reversal of 212020110111 is 111011020212.

212020110111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212020110111 - 21 = 212020110109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020110119) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1065427590 + ... + 1065427788.

It is an arithmetic number, because the mean of its divisors is an integer number (3319284000).

Almost surely, 2212020110111 is an apocalyptic number.

212020110111 is a deficient number, since it is larger than the sum of its proper divisors (106631153889).

212020110111 is a wasteful number, since it uses less digits than its factorization.

212020110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212020110111 its reverse (111011020212), we get a palindrome (323031130323).

It can be divided in two parts, 2120201 and 10111, that added together give a palindrome (2130312).

The spelling of 212020110111 in words is "two hundred twelve billion, twenty million, one hundred ten thousand, one hundred eleven".

Divisors: 1 3 17 23 51 69 101 199 289 303 391 529 597 867 1173 1587 1717 2323 3383 4577 5151 6647 6969 8993 10149 12167 13731 19941 20099 26979 29189 36501 39491 53429 57511 60297 77809 87567 105271 118473 152881 160287 172533 206839 233427 315813 341683 458643 462277 620517 671347 908293 1025049 1228867 1322753 1386831 1789607 2014041 2421233 2724879 3516263 3686601 3968259 5368821 5808611 7263699 7858709 10548789 10632371 15440981 17425833 20890739 23576127 30423319 31897113 41160961 46322943 62672217 91269957 123482883 133598053 180750307 244544533 355142563 400794159 542250921 699736337 733633599 1065427689 2099209011 3072755219 4157257061 9218265657 12471771183 70673370037 212020110111