201210210000109 has 2 divisors, whose sum is σ = 201210210000110. Its totient is φ = 201210210000108.

The previous prime is 201210210000073. The next prime is 201210210000139. The reversal of 201210210000109 is 901000012012102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138511479428100 + 62698730572009 = 11769090^2 + 7918253^2 .

It is a cyclic number.

It is not a de Polignac number, because 201210210000109 - 2²³ = 201210201611501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201210210000139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605105000054 + 100605105000055.

It is an arithmetic number, because the mean of its divisors is an integer number (100605105000055).

Almost surely, 2^{201210210000109} is an apocalyptic number.

It is an amenable number.

201210210000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210210000109 is an equidigital number, since it uses as much as digits as its factorization.

201210210000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 201210210000109 in words is "two hundred one trillion, two hundred ten billion, two hundred ten million, one hundred nine", and thus it is an aban number.