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2112021201011 = 9721632172497
BaseRepresentation
bin11110101110111110010…
…001100000000001110011
321110220111101111110212212
4132232332101200001303
5234100404411413021
64254125452042335
7305405566000601
oct36567621400163
97426441443785
102112021201011
117447809a9157
122a13a77633ab
1312421671c5b7
147431828a871
1539e1277485b
hex1ebbe460073

2112021201011 has 4 divisors (see below), whose sum is σ = 2112024345672. Its totient is φ = 2112018056352.

The previous prime is 2112021201007. The next prime is 2112021201109. The reversal of 2112021201011 is 1101021202112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112021201011 - 22 = 2112021201007 is a prime.

It is a super-3 number, since 3×21120212010113 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112021201211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114086 + ... + 2058411.

It is an arithmetic number, because the mean of its divisors is an integer number (528006086418).

Almost surely, 22112021201011 is an apocalyptic number.

2112021201011 is a deficient number, since it is larger than the sum of its proper divisors (3144661).

2112021201011 is an equidigital number, since it uses as much as digits as its factorization.

2112021201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144660.

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

Adding to 2112021201011 its reverse (1101021202112), we get a palindrome (3213042403123).

The spelling of 2112021201011 in words is "two trillion, one hundred twelve billion, twenty-one million, two hundred one thousand, eleven".

Divisors: 1 972163 2172497 2112021201011