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112221013213 is a prime number
BaseRepresentation
bin110100010000011100…
…1001100010011011101
3101201122212122010201201
41220200321030103131
53314312034410323
6123315325435501
711051640605431
oct1504071142335
9351585563651
10112221013213
1143657922221
12198ba70bb91
13a7756a7bca
1456081709c1
152dbc0b58ad
hex1a20e4c4dd

112221013213 has 2 divisors, whose sum is σ = 112221013214. Its totient is φ = 112221013212.

The previous prime is 112221013187. The next prime is 112221013217. The reversal of 112221013213 is 312310122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107611553764 + 4609459449 = 328042^2 + 67893^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221013213 - 225 = 112187458781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221013217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110506606 + 56110506607.

It is an arithmetic number, because the mean of its divisors is an integer number (56110506607).

Almost surely, 2112221013213 is an apocalyptic number.

It is an amenable number.

112221013213 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221013213 is an equidigital number, since it uses as much as digits as its factorization.

112221013213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112221013213 its reverse (312310122211), we get a palindrome (424531135424).

The spelling of 112221013213 in words is "one hundred twelve billion, two hundred twenty-one million, thirteen thousand, two hundred thirteen".