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210110200220221 = 77110320663198637
BaseRepresentation
bin101111110001100000010111…
…110110010000101000111101
31000112221100011010000112021121
4233301200113312100220331
5210014421142224021341
62022511143215430541
762153650426255030
oct5761402766205075
91015840133015247
10210110200220221
1160a4726550a934
121b694920b25451
1390313cb2478b2
1439c5560775017
1519456ad9794d1
hexbf1817d90a3d

210110200220221 has 32 divisors (see below), whose sum is σ = 245885290979328. Its totient is φ = 175824657650880.

The previous prime is 210110200220161. The next prime is 210110200220237. The reversal of 210110200220221 is 122022002011012.

It is a happy number.

It is not a de Polignac number, because 210110200220221 - 27 = 210110200220093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210110200220195 and 210110200220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210110200220821) 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, 1057660315 + ... + 1057858951.

It is an arithmetic number, because the mean of its divisors is an integer number (7683915343104).

Almost surely, 2210110200220221 is an apocalyptic number.

It is an amenable number.

210110200220221 is a deficient number, since it is larger than the sum of its proper divisors (35775090759107).

210110200220221 is a wasteful number, since it uses less digits than its factorization.

210110200220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219481.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210110200220221 its reverse (122022002011012), we get a palindrome (332132202231233).

The spelling of 210110200220221 in words is "two hundred ten trillion, one hundred ten billion, two hundred million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 71 103 497 721 7313 20663 51191 144641 198637 1390459 1467073 2128289 10269511 14103227 14898023 20459611 98722589 143217277 151108519 1057759633 1452632381 4104436331 10168426667 28731054317 291414979501 422756942093 2039904856507 2959298594651 30015742888603 210110200220221