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2122212122243 is a prime number
BaseRepresentation
bin11110111000011101101…
…100110001111010000011
321111212210121111220200222
4132320131230301322003
5234232242300402433
64302533014533255
7306216252255323
oct36703554617203
97455717456628
102122212122243
11749030465104
122a337066722b
1312517bb358c5
1474a0390b283
153a30c296b98
hex1ee1db31e83

2122212122243 has 2 divisors, whose sum is σ = 2122212122244. Its totient is φ = 2122212122242.

The previous prime is 2122212122209. The next prime is 2122212122273. The reversal of 2122212122243 is 3422212122212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122212122243 - 220 = 2122211073667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122212122273) 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, 1061106061121 + 1061106061122.

It is an arithmetic number, because the mean of its divisors is an integer number (1061106061122).

Almost surely, 22122212122243 is an apocalyptic number.

2122212122243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122212122243 is an equidigital number, since it uses as much as digits as its factorization.

2122212122243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

Adding to 2122212122243 its reverse (3422212122212), we get a palindrome (5544424244455).

The spelling of 2122212122243 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred forty-three".