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112212000221 is a prime number
BaseRepresentation
bin110100010000001011…
…0110011110111011101
3101201122020200020020012
41220200112303313131
53314302233001341
6123314404333005
711051501156456
oct1504026636735
9351566606205
10112212000221
1143652826672
12198b76a4165
13a773870689
145606ca612d
152dbb3d50eb
hex1a205b3ddd

112212000221 has 2 divisors, whose sum is σ = 112212000222. Its totient is φ = 112212000220.

The previous prime is 112212000167. The next prime is 112212000247. The reversal of 112212000221 is 122000212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78304828900 + 33907171321 = 279830^2 + 184139^2 .

It is an emirp because it is prime and its reverse (122000212211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112212000221 - 218 = 112211738077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112212000196 and 112212000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112212800221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106000110 + 56106000111.

It is an arithmetic number, because the mean of its divisors is an integer number (56106000111).

Almost surely, 2112212000221 is an apocalyptic number.

It is an amenable number.

112212000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212000221 is an equidigital number, since it uses as much as digits as its factorization.

112212000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112212000221 its reverse (122000212211), we get a palindrome (234212212432).

The spelling of 112212000221 in words is "one hundred twelve billion, two hundred twelve million, two hundred twenty-one", and thus it is an aban number.