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2222221101197 is a prime number
BaseRepresentation
bin100000010101100110101…
…100110000100010001101
321212102221102001102202112
4200111212230300202031
5242402102100214242
64420512502233405
7316356465461456
oct40254654604215
97772842042675
102222221101197
11787490973229
122ba821425865
1313172946a226
14797adc2812d
153cc121a6c82
hex20566b3088d

2222221101197 has 2 divisors, whose sum is σ = 2222221101198. Its totient is φ = 2222221101196.

The previous prime is 2222221101167. The next prime is 2222221101211. The reversal of 2222221101197 is 7911011222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2222108974276 + 112126921 = 1490674^2 + 10589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222221101197 - 238 = 1947343194253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222221101127) 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, 1111110550598 + 1111110550599.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110550599).

Almost surely, 22222221101197 is an apocalyptic number.

It is an amenable number.

2222221101197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222221101197 is an equidigital number, since it uses as much as digits as its factorization.

2222221101197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 2222221101197 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, one hundred ninety-seven".