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122102221187 is a prime number
BaseRepresentation
bin111000110110111011…
…1000000100110000011
3102200011111212111211102
41301231313000212003
54000031132034222
6132032030205015
711551543520102
oct1615567004603
9380144774742
10122102221187
1147868580001
121b7b795376b
13b68b8a222b
145ca4610039
15329980ad92
hex1c6ddc0983

122102221187 has 2 divisors, whose sum is σ = 122102221188. Its totient is φ = 122102221186.

The previous prime is 122102221133. The next prime is 122102221229. The reversal of 122102221187 is 781122201221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122102221187 - 26 = 122102221123 is a prime.

It is not a weakly prime, because it can be changed into another prime (122102221487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051110593 + 61051110594.

It is an arithmetic number, because the mean of its divisors is an integer number (61051110594).

Almost surely, 2122102221187 is an apocalyptic number.

122102221187 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102221187 is an equidigital number, since it uses as much as digits as its factorization.

122102221187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The spelling of 122102221187 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred eighty-seven".