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22102222211201 = 1121727211057561
BaseRepresentation
bin1010000011010000100110…
…00110101000100010000001
32220020221200212102201120002
411001220103012220202001
510344110322341224301
6115001342023525345
74440555446003216
oct501502306504201
986227625381502
1022102222211201
117051555264100
12258b6855b9855
13c442cc864bc2
14565a78d4bb0d
15284de220616b
hex141a131a8881

22102222211201 has 12 divisors (see below), whose sum is σ = 24294341760612. Its totient is φ = 20092793952000.

The previous prime is 22102222211141. The next prime is 22102222211263. The reversal of 22102222211201 is 10211222220122.

It can be written as a sum of positive squares in 2 ways, for example, as 12043683100801 + 10058539110400 = 3470401^2 + 3171520^2 .

It is not a de Polignac number, because 22102222211201 - 210 = 22102222210177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22102222211101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20370461 + ... + 21428021.

It is an arithmetic number, because the mean of its divisors is an integer number (2024528480051).

Almost surely, 222102222211201 is an apocalyptic number.

It is an amenable number.

22102222211201 is a deficient number, since it is larger than the sum of its proper divisors (2192119549411).

22102222211201 is a wasteful number, since it uses less digits than its factorization.

22102222211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230304 (or 1230293 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22102222211201 its reverse (10211222220122), we get a palindrome (32313444431323).

The spelling of 22102222211201 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred one".

Divisors: 1 11 121 172721 1057561 1899931 11633171 20899241 127964881 182662993481 2009292928291 22102222211201