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22122232120201 is a prime number
BaseRepresentation
bin1010000011110101110111…
…10010011000001110001001
32220022212100101121102101211
411001322323302120032021
510344422312410321301
6115014451345413121
74442164351300303
oct501727362301611
986285311542354
1022122232120201
117059a93340984
12259352a93a1a1
13c4616b2cbb45
14566a16692973
152856b3c7d051
hex141ebbc98389

22122232120201 has 2 divisors, whose sum is σ = 22122232120202. Its totient is φ = 22122232120200.

The previous prime is 22122232120111. The next prime is 22122232120223. The reversal of 22122232120201 is 10202123222122.

It is a happy number.

It is an a-pointer prime, because the next prime (22122232120223) can be obtained adding 22122232120201 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20478349140601 + 1643882979600 = 4525301^2 + 1282140^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122232120201 - 237 = 21984793166729 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122232120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061116060100 + 11061116060101.

It is an arithmetic number, because the mean of its divisors is an integer number (11061116060101).

Almost surely, 222122232120201 is an apocalyptic number.

It is an amenable number.

22122232120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122232120201 is an equidigital number, since it uses as much as digits as its factorization.

22122232120201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22122232120201 its reverse (10202123222122), we get a palindrome (32324355342323).

The spelling of 22122232120201 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred thirty-two million, one hundred twenty thousand, two hundred one".