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221102103112 = 23118539294241
BaseRepresentation
bin1100110111101010110…
…1100101101001001000
3210010200222121120222221
43031322231211221020
512110304114244422
6245323425223424
721655054603342
oct3157255455110
9703628546887
10221102103112
1185850411640
1236a26791b74
1317b08132b17
14a9b68d2292
155b40d3e3c7
hex337ab65a48

221102103112 has 32 divisors (see below), whose sum is σ = 452308802400. Its totient is φ = 100488844800.

The previous prime is 221102103031. The next prime is 221102103127. The reversal of 221102103112 is 211301201122.

It is a super-2 number, since 2×2211021031122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604312 + ... + 898552.

It is an arithmetic number, because the mean of its divisors is an integer number (14134650075).

Almost surely, 2221102103112 is an apocalyptic number.

221102103112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221102103112 is an abundant number, since it is smaller than the sum of its proper divisors (231206699288).

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

221102103112 is a wasteful number, since it uses less digits than its factorization.

221102103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302797 (or 302793 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221102103112 its reverse (211301201122), we get a palindrome (432403304234).

The spelling of 221102103112 in words is "two hundred twenty-one billion, one hundred two million, one hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 8539 17078 34156 68312 93929 187858 294241 375716 588482 751432 1176964 2353928 3236651 6473302 12946604 25893208 2512523899 5025047798 10050095596 20100191192 27637762889 55275525778 110551051556 221102103112