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122200122001 is a prime number
BaseRepresentation
bin111000111001110110…
…0011110001010010001
3102200102100002101111111
41301303230132022101
54000231212401001
6132045444413321
711554142620156
oct1616354361221
9380370071444
10122200122001
1147908868371
121b8246a7241
13b6a5c5c3c9
145cb361622d
1532a31e8851
hex1c73b1e291

122200122001 has 2 divisors, whose sum is σ = 122200122002. Its totient is φ = 122200122000.

The previous prime is 122200121957. The next prime is 122200122013. The reversal of 122200122001 is 100221002221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105443078400 + 16757043601 = 324720^2 + 129449^2 .

It is a cyclic number.

It is not a de Polignac number, because 122200122001 - 29 = 122200121489 is a prime.

It is not a weakly prime, because it can be changed into another prime (122200122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100061000 + 61100061001.

It is an arithmetic number, because the mean of its divisors is an integer number (61100061001).

Almost surely, 2122200122001 is an apocalyptic number.

It is an amenable number.

122200122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200122001 is an equidigital number, since it uses as much as digits as its factorization.

122200122001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122200122001 its reverse (100221002221), we get a palindrome (222421124222).

The spelling of 122200122001 in words is "one hundred twenty-two billion, two hundred million, one hundred twenty-two thousand, one".