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122001222112201 is a prime number
BaseRepresentation
bin11011101111010110011111…
…100000011001001111001001
3120222222012110221020121200101
4123233112133200121033021
5111442332000330042301
61111250330540005401
734461204005364445
oct3357263740311711
9528865427217611
10122001222112201
1135967478353a83
12118247a2530861
13530c886c28153
14221ac67d67825
15e187e9a8a701
hex6ef59f8193c9

122001222112201 has 2 divisors, whose sum is σ = 122001222112202. Its totient is φ = 122001222112200.

The previous prime is 122001222112153. The next prime is 122001222112219. The reversal of 122001222112201 is 102211222100221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121001870007225 + 999352104976 = 11000085^2 + 999676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122001222112201 is a prime.

It is not a weakly prime, because it can be changed into another prime (122001222112261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000611056100 + 61000611056101.

It is an arithmetic number, because the mean of its divisors is an integer number (61000611056101).

Almost surely, 2122001222112201 is an apocalyptic number.

It is an amenable number.

122001222112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001222112201 is an equidigital number, since it uses as much as digits as its factorization.

122001222112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122001222112201 its reverse (102211222100221), we get a palindrome (224212444212422).

The spelling of 122001222112201 in words is "one hundred twenty-two trillion, one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".