101010110109949 has 2 divisors, whose sum is σ = 101010110109950. Its totient is φ = 101010110109948.

The previous prime is 101010110109919. The next prime is 101010110110009. The reversal of 101010110109949 is 949901011010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52949416923225 + 48060693186724 = 7276635^2 + 6932582^2 .

It is an emirp because it is prime and its reverse (949901011010101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101010110109949 - 2¹¹ = 101010110107901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010110109919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505055054974 + 50505055054975.

It is an arithmetic number, because the mean of its divisors is an integer number (50505055054975).

Almost surely, 2^{101010110109949} is an apocalyptic number.

It is an amenable number.

101010110109949 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010110109949 is an equidigital number, since it uses as much as digits as its factorization.

101010110109949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 101010110109949 in words is "one hundred one trillion, ten billion, one hundred ten million, one hundred nine thousand, nine hundred forty-nine".