10120102012109 has 2 divisors, whose sum is σ = 10120102012110. Its totient is φ = 10120102012108.

The previous prime is 10120102012091. The next prime is 10120102012117. The reversal of 10120102012109 is 90121020102101.

Together with previous prime (10120102012091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8241475415209 + 1878626596900 = 2870797^2 + 1370630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120102012109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120102012169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060051006054 + 5060051006055.

It is an arithmetic number, because the mean of its divisors is an integer number (5060051006055).

Almost surely, 2^{10120102012109} is an apocalyptic number.

It is an amenable number.

10120102012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120102012109 is an equidigital number, since it uses as much as digits as its factorization.

10120102012109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10120102012109 in words is "ten trillion, one hundred twenty billion, one hundred two million, twelve thousand, one hundred nine".