102010121699 has 2 divisors, whose sum is σ = 102010121700. Its totient is φ = 102010121698.

The previous prime is 102010121669. The next prime is 102010121711. The reversal of 102010121699 is 996121010201.

It is a strong prime.

It is an emirp because it is prime and its reverse (996121010201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102010121699 is a prime.

It is not a weakly prime, because it can be changed into another prime (102010121669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005060849 + 51005060850.

It is an arithmetic number, because the mean of its divisors is an integer number (51005060850).

Almost surely, 2^102010121699 is an apocalyptic number.

102010121699 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010121699 is an equidigital number, since it uses as much as digits as its factorization.

102010121699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 102010121699 in words is "one hundred two billion, ten million, one hundred twenty-one thousand, six hundred ninety-nine".