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2112200120011 = 17198378786979
BaseRepresentation
bin11110101111001000111…
…100000001011011001011
321110220221212011111121111
4132233020330001123023
5234101241212320021
64254155322551151
7305413200534412
oct36571074013313
97426855144544
102112200120011
117448629a26a3
122a14376684b7
13124244805427
1474333d42479
1539e233178e1
hex1ebc8f016cb

2112200120011 has 16 divisors (see below), whose sum is σ = 2382518275200. Its totient is φ = 1860633272448.

The previous prime is 2112200120003. The next prime is 2112200120029. The reversal of 2112200120011 is 1100210022112.

It is a cyclic number.

It is not a de Polignac number, because 2112200120011 - 23 = 2112200120003 is a prime.

It is a super-2 number, since 2×21122001200112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112200119973 and 2112200120000.

It is not an unprimeable number, because it can be changed into a prime (2112200120081) 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, 39366681 + ... + 39420298.

It is an arithmetic number, because the mean of its divisors is an integer number (148907392200).

Almost surely, 22112200120011 is an apocalyptic number.

2112200120011 is a deficient number, since it is larger than the sum of its proper divisors (270318155189).

2112200120011 is a wasteful number, since it uses less digits than its factorization.

2112200120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78787098.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112200120011 its reverse (1100210022112), we get a palindrome (3212410142123).

The spelling of 2112200120011 in words is "two trillion, one hundred twelve billion, two hundred million, one hundred twenty thousand, eleven".

Divisors: 1 17 19 83 323 1411 1577 26809 78786979 1339378643 1496952601 6539319257 25448194217 111168427369 124247065883 2112200120011