2012110201109 has 2 divisors, whose sum is σ = 2012110201110. Its totient is φ = 2012110201108.

The previous prime is 2012110201093. The next prime is 2012110201117. The reversal of 2012110201109 is 9011020112102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2004348062500 + 7762138609 = 1415750^2 + 88103^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012110201109 - 2⁴ = 2012110201093 is a prime.

It is a super-2 number, since 2×2012110201109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012110201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006055100554 + 1006055100555.

It is an arithmetic number, because the mean of its divisors is an integer number (1006055100555).

Almost surely, 2^{2012110201109} is an apocalyptic number.

It is an amenable number.

2012110201109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012110201109 is an equidigital number, since it uses as much as digits as its factorization.

2012110201109 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 2012110201109 in words is "two trillion, twelve billion, one hundred ten million, two hundred one thousand, one hundred nine".