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201102111212 = 224310111576221
BaseRepresentation
bin1011101101001010011…
…1101011000111101100
3201020002011002201212012
42323102213223013230
511243324120024322
6232215100100352
720346332512142
oct2732247530754
9636064081765
10201102111212
1178317998712
1232b848346b8
1315c6b75baa2
149a3a60d592
1553700c5ae2
hex2ed29eb1ec

201102111212 has 24 divisors (see below), whose sum is σ = 363678590352. Its totient is φ = 97240248000.

The previous prime is 201102111209. The next prime is 201102111229. The reversal of 201102111212 is 212111201102.

It is a super-2 number, since 2×2011021112122 (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, 5770739 + ... + 5805482.

It is an arithmetic number, because the mean of its divisors is an integer number (15153274598).

Almost surely, 2201102111212 is an apocalyptic number.

It is an amenable number.

201102111212 is a deficient number, since it is larger than the sum of its proper divisors (162576479140).

201102111212 is a wasteful number, since it uses less digits than its factorization.

201102111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576369 (or 11576367 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201102111212 its reverse (212111201102), we get a palindrome (413213312314).

The spelling of 201102111212 in words is "two hundred one billion, one hundred two million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 43 86 101 172 202 404 4343 8686 17372 11576221 23152442 46304884 497777503 995555006 1169198321 1991110012 2338396642 4676793284 50275527803 100551055606 201102111212