10212110000009 has 2 divisors, whose sum is σ = 10212110000010. Its totient is φ = 10212110000008.

The previous prime is 10212109999891. The next prime is 10212110000017. The reversal of 10212110000009 is 90000001121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5712315102025 + 4499794897984 = 2390045^2 + 2121272^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212110000009 - 2²⁰ = 10212108951433 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212110000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106055000004 + 5106055000005.

It is an arithmetic number, because the mean of its divisors is an integer number (5106055000005).

Almost surely, 2^{10212110000009} is an apocalyptic number.

It is an amenable number.

10212110000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212110000009 is an equidigital number, since it uses as much as digits as its factorization.

10212110000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 10212110000009 in words is "ten trillion, two hundred twelve billion, one hundred ten million, nine", and thus it is an aban number.