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2112120211001 = 17263472404431
BaseRepresentation
bin11110101111000100001…
…011001100011000111001
321110220202021210201001112
4132233010023030120321
5234101110233223001
64254143350130105
7305411210400503
oct36570413143071
97426667721045
102112120211001
11744821883899
122a1414950935
131242310a75a8
14743274a0d73
1539e1b2d0cbb
hex1ebc42cc639

2112120211001 has 8 divisors (see below), whose sum is σ = 2244865860864. Its totient is φ = 1980319370560.

The previous prime is 2112120210857. The next prime is 2112120211007. The reversal of 2112120211001 is 1001120212112.

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-2112120211001 is a prime.

It is a super-2 number, since 2×21121202110012 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112120211007) 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, 236197745 + ... + 236206686.

It is an arithmetic number, because the mean of its divisors is an integer number (280608232608).

Almost surely, 22112120211001 is an apocalyptic number.

It is an amenable number.

2112120211001 is a deficient number, since it is larger than the sum of its proper divisors (132745649863).

2112120211001 is a wasteful number, since it uses less digits than its factorization.

2112120211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472404711.

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

Adding to 2112120211001 its reverse (1001120212112), we get a palindrome (3113240423113).

The spelling of 2112120211001 in words is "two trillion, one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, one".

Divisors: 1 17 263 4471 472404431 8030875327 124242365353 2112120211001