101010001099949 has 2 divisors, whose sum is σ = 101010001099950. Its totient is φ = 101010001099948.

The previous prime is 101010001099937. The next prime is 101010001100009. The reversal of 101010001099949 is 949990100010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87832846998724 + 13177154101225 = 9371918^2 + 3630035^2 .

It is a cyclic number.

It is not a de Polignac number, because 101010001099949 - 2¹² = 101010001095853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010001099849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505000549974 + 50505000549975.

It is an arithmetic number, because the mean of its divisors is an integer number (50505000549975).

Almost surely, 2^{101010001099949} is an apocalyptic number.

It is an amenable number.

101010001099949 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010001099949 is an equidigital number, since it uses as much as digits as its factorization.

101010001099949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 101010001099949 in words is "one hundred one trillion, ten billion, one million, ninety-nine thousand, nine hundred forty-nine".