1011100110949 has 2 divisors, whose sum is σ = 1011100110950. Its totient is φ = 1011100110948.

The previous prime is 1011100110913. The next prime is 1011100111013. The reversal of 1011100110949 is 9490110011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622509954049 + 388590156900 = 788993^2 + 623370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011100110949 - 2⁹ = 1011100110437 is a prime.

It is a super-2 number, since 2×1011100110949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011100110049) 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, 505550055474 + 505550055475.

It is an arithmetic number, because the mean of its divisors is an integer number (505550055475).

Almost surely, 2^{1011100110949} is an apocalyptic number.

It is an amenable number.

1011100110949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100110949 is an equidigital number, since it uses as much as digits as its factorization.

1011100110949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 1011100110949 in words is "one trillion, eleven billion, one hundred million, one hundred ten thousand, nine hundred forty-nine".