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122210161211 is a prime number
BaseRepresentation
bin111000111010001001…
…0110001001000111011
3102200110000222102201002
41301310102301020323
54000241300124321
6132050443515215
711554324142045
oct1616422611073
9380400872632
10122210161211
11479134a4a36
121b827b28b0b
13b6a8065a78
145cb4aaaa95
1532a402d20b
hex1c744b123b

122210161211 has 2 divisors, whose sum is σ = 122210161212. Its totient is φ = 122210161210.

The previous prime is 122210161147. The next prime is 122210161243. The reversal of 122210161211 is 112161012221.

It is a strong prime.

It is an emirp because it is prime and its reverse (112161012221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122210161211 - 26 = 122210161147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122210161261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105080605 + 61105080606.

It is an arithmetic number, because the mean of its divisors is an integer number (61105080606).

Almost surely, 2122210161211 is an apocalyptic number.

122210161211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210161211 is an equidigital number, since it uses as much as digits as its factorization.

122210161211 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 20.

Adding to 122210161211 its reverse (112161012221), we get a palindrome (234371173432).

The spelling of 122210161211 in words is "one hundred twenty-two billion, two hundred ten million, one hundred sixty-one thousand, two hundred eleven".