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2112011 = 111011901
BaseRepresentation
bin1000000011101000001011
310222022010122
420003220023
51020041021
6113133455
723644316
oct10035013
93868118
102112011
111212870
1285a28b
1358c415
143cd97d
152babab
hex203a0b

2112011 has 8 divisors (see below), whose sum is σ = 2328048. Its totient is φ = 1900000.

The previous prime is 2112007. The next prime is 2112013. The reversal of 2112011 is 1102112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112011 - 22 = 2112007 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112011.

It is not an unprimeable number, because it can be changed into a prime (2112013) 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, 161 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (291006).

22112011 is an apocalyptic number.

2112011 is a deficient number, since it is larger than the sum of its proper divisors (216037).

2112011 is a wasteful number, since it uses less digits than its factorization.

2112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2112011 is about 1453.2759545248. The cubic root of 2112011 is about 128.3015959449.

Adding to 2112011 its reverse (1102112), we get a palindrome (3214123).

It can be divided in two parts, 211 and 2011, that added together give a palindrome (2222).

The spelling of 2112011 in words is "two million, one hundred twelve thousand, eleven".

Divisors: 1 11 101 1111 1901 20911 192001 2112011