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1102022212221 = 32731723913013
BaseRepresentation
bin10000000010010101101…
…001000111101001111101
310220100111211012210101200
4100002111221013221331
5121023420141242341
62202132332330113
7142422065151000
oct20022551075175
93810454183350
101102022212221
11395401899a67
121596b5013939
137cbc6a2b958
143b4a3ca5537
151d9ed29edb6
hex10095a47a7d

1102022212221 has 96 divisors (see below), whose sum is σ = 2050994649600. Its totient is φ = 566914715136.

The previous prime is 1102022212219. The next prime is 1102022212261. The reversal of 1102022212221 is 1222122202011.

It is a happy number.

It is not a de Polignac number, because 1102022212221 - 21 = 1102022212219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102022212194 and 1102022212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102022212261) 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, 750511 + ... + 1663523.

It is an arithmetic number, because the mean of its divisors is an integer number (21364527600).

Almost surely, 21102022212221 is an apocalyptic number.

It is an amenable number.

1102022212221 is a deficient number, since it is larger than the sum of its proper divisors (948972437379).

1102022212221 is a wasteful number, since it uses less digits than its factorization.

1102022212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913080 (or 913063 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1102022212221 its reverse (1222122202011), we get a palindrome (2324144414232).

The spelling of 1102022212221 in words is "one trillion, one hundred two billion, twenty-two million, two hundred twelve thousand, two hundred twenty-one".

Divisors: 1 3 7 9 17 21 23 49 51 63 69 119 147 153 161 207 343 357 391 441 483 833 1029 1071 1127 1173 1449 2499 2737 3087 3381 3519 5831 7497 7889 8211 10143 17493 19159 23667 24633 52479 57477 71001 134113 172431 402339 913013 1207017 2739039 6391091 8217117 15521221 19173273 20999299 44737637 46563663 57519819 62997897 108648547 134212911 139690989 146995093 188993691 313163459 325945641 356988083 402638733 440985279 760539829 939490377 977836923 1028965651 1070964249 1322955837 2281619487 2498916581 2818471131 3086896953 3212892747 5323778803 6844858461 7202759557 7496749743 9260690859 15971336409 17492416067 21608278671 22490249229 47914009227 52477248201 64824836013 122446912469 157431744603 367340737407 1102022212221