102120221179 has 2 divisors, whose sum is σ = 102120221180. Its totient is φ = 102120221178.

The previous prime is 102120221081. The next prime is 102120221209. The reversal of 102120221179 is 971122021201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102120221179 - 2⁷ = 102120221051 is a prime.

It is not a weakly prime, because it can be changed into another prime (102120251179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060110589 + 51060110590.

It is an arithmetic number, because the mean of its divisors is an integer number (51060110590).

Almost surely, 2^102120221179 is an apocalyptic number.

102120221179 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120221179 is an equidigital number, since it uses as much as digits as its factorization.

102120221179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 102120221179 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred seventy-nine".