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222111000001 = 1120191909091
BaseRepresentation
bin1100111011011011011…
…0001110010111000001
3210020022022000212100101
43032312312032113001
512114340404000001
6250011505322401
722022055230602
oct3166666162701
9706268025311
10222111000001
1186218961820
1237068636401
1317c39166727
14aa708b7da9
155b9e6cba01
hex33b6d8e5c1

222111000001 has 4 divisors (see below), whose sum is σ = 242302909104. Its totient is φ = 201919090900.

The previous prime is 222110999969. The next prime is 222111000017. The reversal of 222111000001 is 100000111222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222111000001 - 25 = 222110999969 is a prime.

It is a super-3 number, since 3×2221110000013 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222111000061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10095954535 + ... + 10095954556.

It is an arithmetic number, because the mean of its divisors is an integer number (60575727276).

Almost surely, 2222111000001 is an apocalyptic number.

It is an amenable number.

222111000001 is a deficient number, since it is larger than the sum of its proper divisors (20191909103).

222111000001 is a wasteful number, since it uses less digits than its factorization.

222111000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191909102.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 222111000001 its reverse (100000111222), we get a palindrome (322111111223).

The spelling of 222111000001 in words is "two hundred twenty-two billion, one hundred eleven million, one", and thus it is an aban number.

Divisors: 1 11 20191909091 222111000001