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221011122120002 = 21091915307918779
BaseRepresentation
bin110010010000001000101001…
…011011001110010101000010
31001222112110100002202020002122
4302100020221123032111002
5212432021234230320002
62102015035143444242
764360345431502334
oct6220105133162502
91058473302666078
10221011122120002
116446a321763695
1220955529756682
13964234ab52936
143c80dd14a7454
151a84016cee6a2
hexc902296ce542

221011122120002 has 16 divisors (see below), whose sum is σ = 336309733900800. Its totient is φ = 108918493324560.

The previous prime is 221011122119987. The next prime is 221011122120023. The reversal of 221011122120002 is 200021221110122.

It is a super-2 number, since 2×2210111221200022 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653917752 + ... + 2654001027.

It is an arithmetic number, because the mean of its divisors is an integer number (21019358368800).

Almost surely, 2221011122120002 is an apocalyptic number.

221011122120002 is a deficient number, since it is larger than the sum of its proper divisors (115298611780798).

221011122120002 is a wasteful number, since it uses less digits than its factorization.

221011122120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307919081.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221011122120002 its reverse (200021221110122), we get a palindrome (421032343230124).

The spelling of 221011122120002 in words is "two hundred twenty-one trillion, eleven billion, one hundred twenty-two million, one hundred twenty thousand, two".

Divisors: 1 2 109 191 218 382 20819 41638 5307918779 10615837558 578563146911 1013812486789 1157126293822 2027624973578 110505561060001 221011122120002