1022102020109 has 2 divisors, whose sum is σ = 1022102020110. Its totient is φ = 1022102020108.

The previous prime is 1022102020099. The next prime is 1022102020123. The reversal of 1022102020109 is 9010202012201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982100820100 + 40001200009 = 991010^2 + 200003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022102020109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022102020139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511051010054 + 511051010055.

It is an arithmetic number, because the mean of its divisors is an integer number (511051010055).

Almost surely, 2^{1022102020109} is an apocalyptic number.

It is an amenable number.

1022102020109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022102020109 is an equidigital number, since it uses as much as digits as its factorization.

1022102020109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1022102020109 in words is "one trillion, twenty-two billion, one hundred two million, twenty thousand, one hundred nine".