102121112179 has 2 divisors, whose sum is σ = 102121112180. Its totient is φ = 102121112178.

The previous prime is 102121112147. The next prime is 102121112243. The reversal of 102121112179 is 971211121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102121112179 - 2⁵ = 102121112147 is a prime.

It is not a weakly prime, because it can be changed into another prime (102121119179) 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, 51060556089 + 51060556090.

It is an arithmetic number, because the mean of its divisors is an integer number (51060556090).

Almost surely, 2^102121112179 is an apocalyptic number.

102121112179 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121112179 is an equidigital number, since it uses as much as digits as its factorization.

102121112179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 102121112179 in words is "one hundred two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred seventy-nine".