20211141310109 has 2 divisors, whose sum is σ = 20211141310110. Its totient is φ = 20211141310108.

The previous prime is 20211141310097. The next prime is 20211141310127. The reversal of 20211141310109 is 90101314111202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20166611025625 + 44530284484 = 4490725^2 + 211022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211141310109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211141310159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105570655054 + 10105570655055.

It is an arithmetic number, because the mean of its divisors is an integer number (10105570655055).

Almost surely, 2^{20211141310109} is an apocalyptic number.

It is an amenable number.

20211141310109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211141310109 is an equidigital number, since it uses as much as digits as its factorization.

20211141310109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 20211141310109 in words is "twenty trillion, two hundred eleven billion, one hundred forty-one million, three hundred ten thousand, one hundred nine".