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121220022067 is a prime number
BaseRepresentation
bin111000011100101000…
…1101011111100110011
3102120220000212011010221
41300321101223330303
53441224311201232
6131404313433511
711520642121024
oct1607121537463
9376800764127
10121220022067
11474555a6821
121b5b040b897
13b57ab9c011
145c1d3a8c4b
153247148897
hex1c3946bf33

121220022067 has 2 divisors, whose sum is σ = 121220022068. Its totient is φ = 121220022066.

The previous prime is 121220021999. The next prime is 121220022103. The reversal of 121220022067 is 760220022121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121220022067 is a prime.

It is not a weakly prime, because it can be changed into another prime (121220022767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610011033 + 60610011034.

It is an arithmetic number, because the mean of its divisors is an integer number (60610011034).

Almost surely, 2121220022067 is an apocalyptic number.

121220022067 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220022067 is an equidigital number, since it uses as much as digits as its factorization.

121220022067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 121220022067 its reverse (760220022121), we get a palindrome (881440044188).

The spelling of 121220022067 in words is "one hundred twenty-one billion, two hundred twenty million, twenty-two thousand, sixty-seven".