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221010010112001 = 31171101933938507
BaseRepresentation
bin110010010000000111100111…
…001001010000000000000001
31001222112100110121022100220010
4302100013213021100000001
5212432012000042041001
62102014332541335133
764360306036544445
oct6220074711200001
91058470417270803
10221010010112001
1164469900a97610
12209552792674a9
139642201659436
143c80d27920825
151a83e9e3958d6
hexc901e7250001

221010010112001 has 32 divisors (see below), whose sum is σ = 329224531332096. Its totient is φ = 130751390840000.

The previous prime is 221010010111949. The next prime is 221010010112039. The reversal of 221010010112001 is 100211010010122.

It is a cyclic number.

It is not a de Polignac number, because 221010010112001 - 27 = 221010010111873 is a prime.

It is a super-3 number, since 3×2210100101120013 (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (221010010112041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466732611 + ... + 467205896.

It is an arithmetic number, because the mean of its divisors is an integer number (10288266604128).

Almost surely, 2221010010112001 is an apocalyptic number.

It is an amenable number.

221010010112001 is a deficient number, since it is larger than the sum of its proper divisors (108214521220095).

221010010112001 is a wasteful number, since it uses less digits than its factorization.

221010010112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933938693.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221010010112001 its reverse (100211010010122), we get a palindrome (321221020122123).

The spelling of 221010010112001 in words is "two hundred twenty-one trillion, ten billion, ten million, one hundred twelve thousand, one".

Divisors: 1 3 11 33 71 101 213 303 781 1111 2343 3333 7171 21513 78881 236643 933938507 2801815521 10273323577 30819970731 66309633997 94327789207 198928901991 282983367621 729405973967 1037605681277 2188217921901 3112817043831 6697273033697 20091819101091 73670003370667 221010010112001