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212001121100101 = 409575599005371
BaseRepresentation
bin110000001101000001011011…
…100000111110000101000101
31000210122002221122020221120211
4300031001123200332011011
5210241411244000200401
62030515545344355421
762440401261453454
oct6015013340760505
91023562848227524
10212001121100101
1161606197004263
121b93b2a2615b71
13913a80a0094b8
143a4cca2474b9b
151979980612951
hexc0d05b83e145

212001121100101 has 8 divisors (see below), whose sum is σ = 212523177051200. Its totient is φ = 211479083275680.

The previous prime is 212001121100089. The next prime is 212001121100123. The reversal of 212001121100101 is 101001121100212.

It is a happy number.

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 212001121100101 - 219 = 212001120575813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001121100501) 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, 19038946 + ... + 28044316.

It is an arithmetic number, because the mean of its divisors is an integer number (26565397131400).

Almost surely, 2212001121100101 is an apocalyptic number.

It is an amenable number.

212001121100101 is a deficient number, since it is larger than the sum of its proper divisors (522055951099).

212001121100101 is an equidigital number, since it uses as much as digits as its factorization.

212001121100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9063339.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212001121100101 its reverse (101001121100212), we get a palindrome (313002242200313).

The spelling of 212001121100101 in words is "two hundred twelve trillion, one billion, one hundred twenty-one million, one hundred thousand, one hundred one".

Divisors: 1 409 57559 9005371 23541631 3683196739 518340149389 212001121100101