1011011099993 has 2 divisors, whose sum is σ = 1011011099994. Its totient is φ = 1011011099992.

The previous prime is 1011011099977. The next prime is 1011011100091. The reversal of 1011011099993 is 3999901101101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901973776729 + 109037323264 = 949723^2 + 330208^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011011099993 - 2⁴ = 1011011099977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011011099953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505505549996 + 505505549997.

It is an arithmetic number, because the mean of its divisors is an integer number (505505549997).

Almost surely, 2^{1011011099993} is an apocalyptic number.

It is an amenable number.

1011011099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011011099993 is an equidigital number, since it uses as much as digits as its factorization.

1011011099993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19683, while the sum is 44.

The spelling of 1011011099993 in words is "one trillion, eleven billion, eleven million, ninety-nine thousand, nine hundred ninety-three".