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201112102201111 = 1983997127912019
BaseRepresentation
bin101101101110100100001111…
…011010010110011100010111
3222101002010111012010100012221
4231232210033122112130113
5202330010041130413421
61551421342503123211
760234604242126313
oct5556441732263427
9871063435110187
10201112102201111
1159098188790142
121a680a58143507
13882aa364332aa
143793c40510b43
15183b5c224c841
hexb6e90f696717

201112102201111 has 16 divisors (see below), whose sum is σ = 214462409212800. Its totient is φ = 188042946013728.

The previous prime is 201112102201039. The next prime is 201112102201133. The reversal of 201112102201111 is 111102201211102.

It is not a de Polignac number, because 201112102201111 - 217 = 201112102070039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112102201151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62383741 + ... + 65528278.

It is an arithmetic number, because the mean of its divisors is an integer number (13403900575800).

Almost surely, 2201112102201111 is an apocalyptic number.

201112102201111 is a deficient number, since it is larger than the sum of its proper divisors (13350307011689).

201112102201111 is a wasteful number, since it uses less digits than its factorization.

201112102201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127913118.

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

Adding to 201112102201111 its reverse (111102201211102), we get a palindrome (312214303412213).

Subtracting from 201112102201111 its reverse (111102201211102), we obtain a palindrome (90009900990009).

The spelling of 201112102201111 in words is "two hundred one trillion, one hundred twelve billion, one hundred two million, two hundred one thousand, one hundred eleven".

Divisors: 1 19 83 997 1577 18943 82751 1572269 127912019 2430328361 10616697577 127528282943 201717253963 2423037375917 10584847484269 201112102201111