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22001102111212 = 2278930232920507
BaseRepresentation
bin1010000000010100001111…
…11000000100000111101100
32212220021200122010101222121
411000022013320010013230
510340431224120024322
6114443100005122324
74430345551225120
oct500120770040754
985807618111877
1022001102111212
117012684635334
122573b646b93a4
13c37905c87a03
14560c05239580
152824749b4ec7
hex140287e041ec

22001102111212 has 48 divisors (see below), whose sum is σ = 44511345607680. Its totient is φ = 9320012203392.

The previous prime is 22001102111201. The next prime is 22001102111321. The reversal of 22001102111212 is 21211120110022.

It is a super-2 number, since 2×220011021112122 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6073063 + ... + 8993569.

It is an arithmetic number, because the mean of its divisors is an integer number (927319700160).

Almost surely, 222001102111212 is an apocalyptic number.

It is an amenable number.

22001102111212 is an abundant number, since it is smaller than the sum of its proper divisors (22510243496468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001102111212 is a wasteful number, since it uses less digits than its factorization.

22001102111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923630 (or 2923628 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22001102111212 its reverse (21211120110022), we get a palindrome (43212222221234).

The spelling of 22001102111212 in words is "twenty-two trillion, one billion, one hundred two million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 3023 6046 12092 21161 42322 84644 269047 538094 1076188 1883329 2920507 3766658 5841014 7533316 11682028 20443549 40887098 81774196 259925123 519850246 1039700492 1819475861 3638951722 7277903444 8828692661 17657385322 35314770644 61800848627 123601697254 247203394508 785753646829 1571507293658 3143014587316 5500275527803 11000551055606 22001102111212