102002119873 has 2 divisors, whose sum is σ = 102002119874. Its totient is φ = 102002119872.

The previous prime is 102002119841. The next prime is 102002119897. The reversal of 102002119873 is 378911200201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97798801984 + 4203317889 = 312728^2 + 64833^2 .

It is a cyclic number.

It is not a de Polignac number, because 102002119873 - 2⁵ = 102002119841 is a prime.

It is a super-2 number, since 2×102002119873² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102002119823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001059936 + 51001059937.

It is an arithmetic number, because the mean of its divisors is an integer number (51001059937).

Almost surely, 2^102002119873 is an apocalyptic number.

It is an amenable number.

102002119873 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002119873 is an equidigital number, since it uses as much as digits as its factorization.

102002119873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 102002119873 in words is "one hundred two billion, two million, one hundred nineteen thousand, eight hundred seventy-three".