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1122201221087 is a prime number
BaseRepresentation
bin10000010101001000011…
…001111011011111011111
310222021121010120122122102
4100111020121323133133
5121341232003033322
62215310534435315
7144035122664432
oct20251031733737
93867533518572
101122201221087
113a2a17373aa1
121615a6b02b3b
1381a9152129b
143c459c67819
151e2ceaca792
hex1054867b7df

1122201221087 has 2 divisors, whose sum is σ = 1122201221088. Its totient is φ = 1122201221086.

The previous prime is 1122201221039. The next prime is 1122201221117. The reversal of 1122201221087 is 7801221022211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122201221087 - 26 = 1122201221023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122201221987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561100610543 + 561100610544.

It is an arithmetic number, because the mean of its divisors is an integer number (561100610544).

Almost surely, 21122201221087 is an apocalyptic number.

1122201221087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122201221087 is an equidigital number, since it uses as much as digits as its factorization.

1122201221087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 1122201221087 its reverse (7801221022211), we get a palindrome (8923422243298).

The spelling of 1122201221087 in words is "one trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, eighty-seven".