10212122140109 has 2 divisors, whose sum is σ = 10212122140110. Its totient is φ = 10212122140108.

The previous prime is 10212122140079. The next prime is 10212122140117. The reversal of 10212122140109 is 90104122121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6227794758025 + 3984327382084 = 2495555^2 + 1996078^2 .

It is an emirp because it is prime and its reverse (90104122121201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10212122140109 - 2⁸ = 10212122139853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212122142109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106061070054 + 5106061070055.

It is an arithmetic number, because the mean of its divisors is an integer number (5106061070055).

Almost surely, 2^{10212122140109} is an apocalyptic number.

It is an amenable number.

10212122140109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212122140109 is an equidigital number, since it uses as much as digits as its factorization.

10212122140109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 10212122140109 in words is "ten trillion, two hundred twelve billion, one hundred twenty-two million, one hundred forty thousand, one hundred nine".