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22122202021201 = 23961834870487
BaseRepresentation
bin1010000011110101110011…
…11111100011110101010001
32220022212021021222020100001
411001322321333203311101
510344422232204134301
6115014444352330001
74442163534410152
oct501727177436521
986285237866301
1022122202021201
117059a78353077
122593520843901
13c46164cc0a99
14566a12699929
152856b12d4c01
hex141eb9fe3d51

22122202021201 has 4 divisors (see below), whose sum is σ = 23084036891712. Its totient is φ = 21160367150692.

The previous prime is 22122202021193. The next prime is 22122202021217. The reversal of 22122202021201 is 10212020222122.

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 22122202021201 - 23 = 22122202021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122202021501) 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, 480917435221 + ... + 480917435266.

It is an arithmetic number, because the mean of its divisors is an integer number (5771009222928).

Almost surely, 222122202021201 is an apocalyptic number.

It is an amenable number.

22122202021201 is a deficient number, since it is larger than the sum of its proper divisors (961834870511).

22122202021201 is an equidigital number, since it uses as much as digits as its factorization.

22122202021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961834870510.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122202021201 its reverse (10212020222122), we get a palindrome (32334222243323).

The spelling of 22122202021201 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred two million, twenty-one thousand, two hundred one".

Divisors: 1 23 961834870487 22122202021201