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12222101110121 = 7149211254321839
BaseRepresentation
bin1011000111011010110111…
…1111101011110101101001
31121021102101020111111202222
42301312231333223311221
53100221330341010441
641554431123403425
72401006026212630
oct261665577536551
947242336444688
1012222101110121
1139924004a1171
121454884b23575
136a87017a28c6
143037a5040517
15162dd17e6d4b
hexb1dadfebd69

12222101110121 has 32 divisors (see below), whose sum is σ = 14134708224000. Its totient is φ = 10351914310080.

The previous prime is 12222101110099. The next prime is 12222101110127. The reversal of 12222101110121 is 12101110122221.

It is not a de Polignac number, because 12222101110121 - 226 = 12222034001257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222101110121.

It is not an unprimeable number, because it can be changed into a prime (12222101110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559634720 + ... + 559656558.

It is an arithmetic number, because the mean of its divisors is an integer number (441709632000).

Almost surely, 212222101110121 is an apocalyptic number.

It is an amenable number.

12222101110121 is a deficient number, since it is larger than the sum of its proper divisors (1912607113879).

12222101110121 is a wasteful number, since it uses less digits than its factorization.

12222101110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24749.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12222101110121 its reverse (12101110122221), we get a palindrome (24323211232342).

The spelling of 12222101110121 in words is "twelve trillion, two hundred twenty-two billion, one hundred one million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 149 211 1043 1477 2543 17801 21839 31439 152873 220073 378907 536573 2652349 3254011 3756011 4608029 22778077 32256203 55536577 79949377 388756039 559645639 686596321 4806174247 8274949973 11718217747 57924649811 82027524229 1746014444303 12222101110121