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2112012221011 = 71127428730143
BaseRepresentation
bin11110101110111101101…
…111001111101001010011
321110220110202121020122021
4132232331233033221103
5234100400112033021
64254124531352311
7305405426450050
oct36567557175123
97426422536567
102112012221011
11744776925370
122a13a4752697
131242148c70a4
1474316dd0027
1539e11a9dc41
hex1ebbdbcfa53

2112012221011 has 8 divisors (see below), whose sum is σ = 2633158093824. Its totient is φ = 1645723808520.

The previous prime is 2112012220999. The next prime is 2112012221027. The reversal of 2112012221011 is 1101222102112.

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

It is not a de Polignac number, because 2112012221011 - 25 = 2112012220979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112012281011) 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, 13714364995 + ... + 13714365148.

It is an arithmetic number, because the mean of its divisors is an integer number (329144761728).

Almost surely, 22112012221011 is an apocalyptic number.

2112012221011 is a deficient number, since it is larger than the sum of its proper divisors (521145872813).

2112012221011 is a wasteful number, since it uses less digits than its factorization.

2112012221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27428730161.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112012221011 its reverse (1101222102112), we get a palindrome (3213234323123).

The spelling of 2112012221011 in words is "two trillion, one hundred twelve billion, twelve million, two hundred twenty-one thousand, eleven".

Divisors: 1 7 11 77 27428730143 192001111001 301716031573 2112012221011