101203101949 has 2 divisors, whose sum is σ = 101203101950. Its totient is φ = 101203101948.

The previous prime is 101203101943. The next prime is 101203101977. The reversal of 101203101949 is 949101302101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100937737849 + 265364100 = 317707^2 + 16290^2 .

It is a cyclic number.

It is not a de Polignac number, because 101203101949 - 2⁷ = 101203101821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101203101949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101203101943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601550974 + 50601550975.

It is an arithmetic number, because the mean of its divisors is an integer number (50601550975).

Almost surely, 2^101203101949 is an apocalyptic number.

It is an amenable number.

101203101949 is a deficient number, since it is larger than the sum of its proper divisors (1).

101203101949 is an equidigital number, since it uses as much as digits as its factorization.

101203101949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 101203101949 in words is "one hundred one billion, two hundred three million, one hundred one thousand, nine hundred forty-nine".