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111002210101212 = 22310693038650667
BaseRepresentation
bin11001001111010010110111…
…010011010110011111011100
3112120000201002212122222111120
4121033102313103112133130
5104022130011241214322
61032025413352250540
732244434150025423
oct3117226723263734
9476021085588446
10111002210101212
1132406855864911
1210548b7b6a0a50
1349c26043c72a1
141d5a76dad42ba
15cc764eedda5c
hex64f4b74d67dc

111002210101212 has 24 divisors (see below), whose sum is σ = 259005429062016. Its totient is φ = 37000697820528.

The previous prime is 111002210101129. The next prime is 111002210101219. The reversal of 111002210101212 is 212101012200111.

It is a happy number.

It is a super-2 number, since 2×1110022101012122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111002210101191 and 111002210101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002210101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8506303 + ... + 17156969.

It is an arithmetic number, because the mean of its divisors is an integer number (10791892877584).

Almost surely, 2111002210101212 is an apocalyptic number.

111002210101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111002210101212 is an abundant number, since it is smaller than the sum of its proper divisors (148003218960804).

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

111002210101212 is a wasteful number, since it uses less digits than its factorization.

111002210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719977 (or 9719975 counting only the distinct ones).

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

Adding to 111002210101212 its reverse (212101012200111), we get a palindrome (323103222301323).

The spelling of 111002210101212 in words is "one hundred eleven trillion, two billion, two hundred ten million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1069303 2138606 3207909 4277212 6415818 8650667 12831636 17301334 25952001 34602668 51904002 103808004 9250184175101 18500368350202 27750552525303 37000736700404 55501105050606 111002210101212