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222210011161 is a prime number
BaseRepresentation
bin1100111011110010111…
…1111011000000011001
3210020120012100011010101
43032330233323000121
512120041230324121
6250025403415401
722024366634065
oct3167457730031
9706505304111
10222210011161
1186269838326
1237095824561
1317c53822108
14aa7daccaa5
155ba8238491
hex33bcbfb019

222210011161 has 2 divisors, whose sum is σ = 222210011162. Its totient is φ = 222210011160.

The previous prime is 222210011083. The next prime is 222210011201. The reversal of 222210011161 is 161110012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149212238400 + 72997772761 = 386280^2 + 270181^2 .

It is a cyclic number.

It is not a de Polignac number, because 222210011161 - 213 = 222210002969 is a prime.

It is not a weakly prime, because it can be changed into another prime (222210011861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105005580 + 111105005581.

It is an arithmetic number, because the mean of its divisors is an integer number (111105005581).

Almost surely, 2222210011161 is an apocalyptic number.

It is an amenable number.

222210011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210011161 is an equidigital number, since it uses as much as digits as its factorization.

222210011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 222210011161 its reverse (161110012222), we get a palindrome (383320023383).

The spelling of 222210011161 in words is "two hundred twenty-two billion, two hundred ten million, eleven thousand, one hundred sixty-one".