10121223022109 has 2 divisors, whose sum is σ = 10121223022110. Its totient is φ = 10121223022108.

The previous prime is 10121223022081. The next prime is 10121223022121. The reversal of 10121223022109 is 90122032212101.

10121223022109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8295811260025 + 1825411762084 = 2880245^2 + 1351078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121223022109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121223022189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060611511054 + 5060611511055.

It is an arithmetic number, because the mean of its divisors is an integer number (5060611511055).

Almost surely, 2^{10121223022109} is an apocalyptic number.

It is an amenable number.

10121223022109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121223022109 is an equidigital number, since it uses as much as digits as its factorization.

10121223022109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 10121223022109 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-three million, twenty-two thousand, one hundred nine".