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122100121007 is a prime number
BaseRepresentation
bin111000110110110111…
…0111111110110101111
3102200011100220210220222
41301231232333312233
54000030112333012
6132031513201555
711551516622114
oct1615556776657
9380140823828
10122100121007
1147867376117
121b7b71002bb
13b68b318317
145ca422490b
153299543972
hex1c6dbbfdaf

122100121007 has 2 divisors, whose sum is σ = 122100121008. Its totient is φ = 122100121006.

The previous prime is 122100121001. The next prime is 122100121049. The reversal of 122100121007 is 700121001221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122100121007 - 26 = 122100120943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122100121001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050060503 + 61050060504.

It is an arithmetic number, because the mean of its divisors is an integer number (61050060504).

Almost surely, 2122100121007 is an apocalyptic number.

122100121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100121007 is an equidigital number, since it uses as much as digits as its factorization.

122100121007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 122100121007 its reverse (700121001221), we get a palindrome (822221122228).

The spelling of 122100121007 in words is "one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, seven".