102102200729 has 2 divisors, whose sum is σ = 102102200730. Its totient is φ = 102102200728.

The previous prime is 102102200723. The next prime is 102102200819. The reversal of 102102200729 is 927002201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62362575625 + 39739625104 = 249725^2 + 199348^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102200729 - 2²⁸ = 101833765273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102102200698 and 102102200707.

It is not a weakly prime, because it can be changed into another prime (102102200723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051100364 + 51051100365.

It is an arithmetic number, because the mean of its divisors is an integer number (51051100365).

Almost surely, 2^102102200729 is an apocalyptic number.

It is an amenable number.

102102200729 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102200729 is an equidigital number, since it uses as much as digits as its factorization.

102102200729 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 26.

The spelling of 102102200729 in words is "one hundred two billion, one hundred two million, two hundred thousand, seven hundred twenty-nine".