101210010949 has 2 divisors, whose sum is σ = 101210010950. Its totient is φ = 101210010948.

The previous prime is 101210010943. The next prime is 101210011013. The reversal of 101210010949 is 949010012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76794385924 + 24415625025 = 277118^2 + 156255^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210010949 - 2⁷ = 101210010821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210010943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605005474 + 50605005475.

It is an arithmetic number, because the mean of its divisors is an integer number (50605005475).

Almost surely, 2^101210010949 is an apocalyptic number.

It is an amenable number.

101210010949 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210010949 is an equidigital number, since it uses as much as digits as its factorization.

101210010949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 101210010949 in words is "one hundred one billion, two hundred ten million, ten thousand, nine hundred forty-nine".