102122220913 has 2 divisors, whose sum is σ = 102122220914. Its totient is φ = 102122220912.

The previous prime is 102122220901. The next prime is 102122221049. The reversal of 102122220913 is 319022221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101819704464 + 302516449 = 319092^2 + 17393^2 .

It is an emirp because it is prime and its reverse (319022221201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102122220913 - 2¹⁷ = 102122089841 is a prime.

It is not a weakly prime, because it can be changed into another prime (102122220313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061110456 + 51061110457.

It is an arithmetic number, because the mean of its divisors is an integer number (51061110457).

Almost surely, 2^102122220913 is an apocalyptic number.

It is an amenable number.

102122220913 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122220913 is an equidigital number, since it uses as much as digits as its factorization.

102122220913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 102122220913 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty thousand, nine hundred thirteen".