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112200210121 is a prime number
BaseRepresentation
bin110100001111110100…
…1110101011011001001
3101201121102111020020211
41220133221311123021
53314241223210441
6123313303521121
711051266023136
oct1503751653311
9351542436224
10112200210121
114364710358a
12198b37591a1
13a7712a309c
1456054b758d
152dba356a81
hex1a1fa756c9

112200210121 has 2 divisors, whose sum is σ = 112200210122. Its totient is φ = 112200210120.

The previous prime is 112200210113. The next prime is 112200210167. The reversal of 112200210121 is 121012002211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75781831225 + 36418378896 = 275285^2 + 190836^2 .

It is a cyclic number.

It is not a de Polignac number, because 112200210121 - 23 = 112200210113 is a prime.

It is not a weakly prime, because it can be changed into another prime (112200210821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56100105060 + 56100105061.

It is an arithmetic number, because the mean of its divisors is an integer number (56100105061).

Almost surely, 2112200210121 is an apocalyptic number.

It is an amenable number.

112200210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112200210121 is an equidigital number, since it uses as much as digits as its factorization.

112200210121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112200210121 its reverse (121012002211), we get a palindrome (233212212332).

The spelling of 112200210121 in words is "one hundred twelve billion, two hundred million, two hundred ten thousand, one hundred twenty-one".