1100200100957 has 2 divisors, whose sum is σ = 1100200100958. Its totient is φ = 1100200100956.

The previous prime is 1100200100921. The next prime is 1100200101029. The reversal of 1100200100957 is 7590010020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752358472996 + 347841627961 = 867386^2 + 589781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100200100957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100200100917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550100050478 + 550100050479.

It is an arithmetic number, because the mean of its divisors is an integer number (550100050479).

Almost surely, 2^{1100200100957} is an apocalyptic number.

It is an amenable number.

1100200100957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100200100957 is an equidigital number, since it uses as much as digits as its factorization.

1100200100957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 26.

Adding to 1100200100957 its reverse (7590010020011), we get a palindrome (8690210120968).

The spelling of 1100200100957 in words is "one trillion, one hundred billion, two hundred million, one hundred thousand, nine hundred fifty-seven".