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2102012122001 = 11230538289247
BaseRepresentation
bin11110100101101001101…
…011111001001110010001
321102221122211122120200212
4132211221223321032101
5233414410100401001
64245352342453505
7304602551143331
oct36455153711621
97387584576625
102102012122001
11740505052a30
1229b473734295
131232acba383c
1473a48c430c1
1539a28bc17bb
hex1e969af9391

2102012122001 has 8 divisors (see below), whose sum is σ = 2293203880704. Its totient is φ = 1910836987920.

The previous prime is 2102012121997. The next prime is 2102012122027. The reversal of 2102012122001 is 1002212102012.

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 2102012122001 - 22 = 2102012121997 is a prime.

It is a super-2 number, since 2×21020121220012 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102012122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891041 + ... + 4398206.

It is an arithmetic number, because the mean of its divisors is an integer number (286650485088).

Almost surely, 22102012122001 is an apocalyptic number.

It is an amenable number.

2102012122001 is a deficient number, since it is larger than the sum of its proper divisors (191191758703).

2102012122001 is a wasteful number, since it uses less digits than its factorization.

2102012122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312311.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102012122001 its reverse (1002212102012), we get a palindrome (3104224224013).

The spelling of 2102012122001 in words is "two trillion, one hundred two billion, twelve million, one hundred twenty-two thousand, one".

Divisors: 1 11 23053 253583 8289247 91181717 191092011091 2102012122001