102300219979 has 2 divisors, whose sum is σ = 102300219980. Its totient is φ = 102300219978.

The previous prime is 102300219941. The next prime is 102300220003. The reversal of 102300219979 is 979912003201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102300219979 - 2¹⁵ = 102300187211 is a prime.

It is not a weakly prime, because it can be changed into another prime (102300219079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51150109989 + 51150109990.

It is an arithmetic number, because the mean of its divisors is an integer number (51150109990).

Almost surely, 2^102300219979 is an apocalyptic number.

102300219979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102300219979 is an equidigital number, since it uses as much as digits as its factorization.

102300219979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

It can be divided in two parts, 10230021 and 9979, that added together give a square (10240000 = 3200²).

The spelling of 102300219979 in words is "one hundred two billion, three hundred million, two hundred nineteen thousand, nine hundred seventy-nine".