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210111022101201 = 3132313915491087903
BaseRepresentation
bin101111110001100001001000…
…110101011111001011010001
31000112221102021101112102000220
4233301201020311133023101
5210014424333124214301
62022511400535303253
762154006666163344
oct5761411065371321
91015842241472026
10210111022101201
1160a47647436211
121b694b1021ab29
1390314cc5bc0c0
1439c55db99845b
15194570abc4936
hexbf1848d5f2d1

210111022101201 has 64 divisors (see below), whose sum is σ = 317285025792000. Its totient is φ = 122708243775744.

The previous prime is 210111022101163. The next prime is 210111022101223. The reversal of 210111022101201 is 102101220111012.

It is a happy number.

It is not a de Polignac number, because 210111022101201 - 29 = 210111022100689 is a prime.

It is a super-2 number, since 2×2101110221012012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210111022101251) 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, 192590016 + ... + 193677918.

It is an arithmetic number, because the mean of its divisors is an integer number (4957578528000).

Almost surely, 2210111022101201 is an apocalyptic number.

It is an amenable number.

210111022101201 is a deficient number, since it is larger than the sum of its proper divisors (107174003690799).

210111022101201 is a wasteful number, since it uses less digits than its factorization.

210111022101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089630.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210111022101201 its reverse (102101220111012), we get a palindrome (312212242212213).

The spelling of 210111022101201 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, one hundred one thousand, two hundred one".

Divisors: 1 3 13 23 39 69 139 299 417 897 1549 1807 3197 4647 5421 9591 20137 35627 41561 60411 106881 124683 215311 463151 645933 1087903 1389453 2799043 3263709 4952153 8397129 14142739 14856459 25021769 42428217 64377989 75065307 151218517 193133967 325282997 453655551 975848991 1685161747 1965840721 3478025891 5055485241 5897522163 10434077673 21907102711 38758720181 45214336583 65721308133 116276160543 135643009749 234237482833 503863362353 702712448499 1511590087059 3045087276829 5387462105159 9135261830487 16162386315477 70037007367067 210111022101201