102220202069 has 2 divisors, whose sum is σ = 102220202070. Its totient is φ = 102220202068.

The previous prime is 102220202059. The next prime is 102220202171. The reversal of 102220202069 is 960202022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85534021444 + 16686180625 = 292462^2 + 129175^2 .

It is an emirp because it is prime and its reverse (960202022201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102220202069 is a prime.

It is a super-2 number, since 2×102220202069² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220202059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110101034 + 51110101035.

It is an arithmetic number, because the mean of its divisors is an integer number (51110101035).

Almost surely, 2^102220202069 is an apocalyptic number.

It is an amenable number.

102220202069 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220202069 is an equidigital number, since it uses as much as digits as its factorization.

102220202069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 102220202069 in words is "one hundred two billion, two hundred twenty million, two hundred two thousand, sixty-nine".