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222101001000101 is a prime number
BaseRepresentation
bin110010011111111111101011…
…010001001101010010100101
31002010101122111122010211102202
4302133333223101031102211
5213102400322224000401
62104211442530344245
764532160565230566
oct6237775321152245
91063348448124382
10222101001000101
116484a5619a3483
1220ab07b3a2b085
1396c105ab13b62
143cbba626c016d
151aa2553e6a06b
hexc9ffeb44d4a5

222101001000101 has 2 divisors, whose sum is σ = 222101001000102. Its totient is φ = 222101001000100.

The previous prime is 222101001000089. The next prime is 222101001000161. The reversal of 222101001000101 is 101000100101222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217437880350625 + 4663120649476 = 14745775^2 + 2159426^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101001000101 - 214 = 222101000983717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222101001000161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050500500050 + 111050500500051.

It is an arithmetic number, because the mean of its divisors is an integer number (111050500500051).

Almost surely, 2222101001000101 is an apocalyptic number.

It is an amenable number.

222101001000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101001000101 is an equidigital number, since it uses as much as digits as its factorization.

222101001000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 222101001000101 its reverse (101000100101222), we get a palindrome (323101101101323).

The spelling of 222101001000101 in words is "two hundred twenty-two trillion, one hundred one billion, one million, one hundred one", and thus it is an aban number.