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201222110120213 = 71323151659966149
BaseRepresentation
bin101101110000001010101100…
…011001010000100100010101
3222101110122102211102122120002
4231300022230121100210111
5202333310340142321323
61551544054454421045
760245550321041450
oct5560125431204425
9871418384378502
10201222110120213
115912a8aa349a66
121a69a239661785
138838218473850
1437992b8796497
15183e3aedab828
hexb702ac650915

201222110120213 has 64 divisors (see below), whose sum is σ = 260532163584000. Its totient is φ = 151048351238400.

The previous prime is 201222110120173. The next prime is 201222110120237. The reversal of 201222110120213 is 312021011222102.

It is not a de Polignac number, because 201222110120213 - 212 = 201222110116117 is a prime.

It is a super-2 number, since 2×2012221101202132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222110122213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207789263 + ... + 208755411.

It is an arithmetic number, because the mean of its divisors is an integer number (4070815056000).

Almost surely, 2201222110120213 is an apocalyptic number.

201222110120213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201222110120213 is a deficient number, since it is larger than the sum of its proper divisors (59310053463787).

201222110120213 is a wasteful number, since it uses less digits than its factorization.

201222110120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967002.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201222110120213 its reverse (312021011222102), we get a palindrome (513243121342315).

The spelling of 201222110120213 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 7 13 23 91 151 161 299 659 1057 1963 2093 3473 4613 8567 13741 15157 24311 45149 59969 99509 106099 197041 316043 696563 966149 1293617 1379287 2288707 6763043 9055319 12559937 16020949 22221427 29753191 87919559 145888499 155549989 208272337 288878551 636692191 1021219493 1896550487 2022149857 3355435477 4456845337 8276998483 13275853409 14643920393 23488048339 43620661201 57938989381 96140520841 102507442751 190370965109 305344628407 672983645887 1249826770933 1332596755763 2211231979343 8748787396531 15478623855401 28746015731459 201222110120213