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221100112220019 = 3331258437861559
BaseRepresentation
bin110010010001011011100001…
…101001100000111101110011
31001222211222000222022200212220
4302101123201221200331303
5212440001012212020034
62102123553410252123
764366645616043144
oct6221334151407563
91058758028280786
10221100112220019
11644a403830999a
122096a824287043
13964a86067c856
143c854341dbacb
151a864c4691749
hexc916e1a60f73

221100112220019 has 16 divisors (see below), whose sum is σ = 295692271875840. Its totient is φ = 146954018170080.

The previous prime is 221100112220011. The next prime is 221100112220083. The reversal of 221100112220019 is 910022211001122.

221100112220019 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221100112220019 - 23 = 221100112220011 is a prime.

It is a super-2 number, since 2×2211001122200192 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221100112220011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256197162 + ... + 257058720.

It is an arithmetic number, because the mean of its divisors is an integer number (18480766992240).

Almost surely, 2221100112220019 is an apocalyptic number.

221100112220019 is a deficient number, since it is larger than the sum of its proper divisors (74592159655821).

221100112220019 is a wasteful number, since it uses less digits than its factorization.

221100112220019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120330.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 221100112220019 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twelve million, two hundred twenty thousand, nineteen".

Divisors: 1 3 331 993 258437 775311 861559 2584677 85542647 256627941 285176029 855528087 222658723283 667976169849 73700037406673 221100112220019