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2112100212011 = 18311384183341
BaseRepresentation
bin11110101111000010111…
…110111001110100101011
321110220200220011122121012
4132233002332321310223
5234101040123241021
64254141353334135
7305410545404426
oct36570276716453
97426626148535
102112100212011
117448115642a9
122a140a10734b
13124229bc477a
14743249769bd
1539e1968035b
hex1ebc2fb9d2b

2112100212011 has 8 divisors (see below), whose sum is σ = 2113431774048. Its totient is φ = 2110768848000.

The previous prime is 2112100211989. The next prime is 2112100212017. The reversal of 2112100212011 is 1102120012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112100212011 is a prime.

It is a super-2 number, since 2×21121002120112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112100212017) 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, 25301201 + ... + 25384541.

It is an arithmetic number, because the mean of its divisors is an integer number (264178971756).

Almost surely, 22112100212011 is an apocalyptic number.

2112100212011 is a deficient number, since it is larger than the sum of its proper divisors (1331562037).

2112100212011 is a wasteful number, since it uses less digits than its factorization.

2112100212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99013.

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

Adding to 2112100212011 its reverse (1102120012112), we get a palindrome (3214220224123).

The spelling of 2112100212011 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred twelve thousand, eleven".

Divisors: 1 1831 13841 83341 25342871 152597371 1153522781 2112100212011