20111011010993 has 8 divisors (see below), whose sum is σ = 22984043949312. Its totient is φ = 17237985914016.

The previous prime is 20111011010983. The next prime is 20111011011037. The reversal of 20111011010993 is 39901011011102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20111011010993 - 2⁶ = 20111011010929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111011010963) 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 in 7 ways as a sum of consecutive naturals, for example, 5355896 + ... + 8301062.

It is an arithmetic number, because the mean of its divisors is an integer number (2873005493664).

Almost surely, 2^{20111011010993} is an apocalyptic number.

It is an amenable number.

20111011010993 is a deficient number, since it is larger than the sum of its proper divisors (2873032938319).

20111011010993 is an equidigital number, since it uses as much as digits as its factorization.

20111011010993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920671.

The product of its (nonzero) digits is 486, while the sum is 29.

The spelling of 20111011010993 in words is "twenty trillion, one hundred eleven billion, eleven million, ten thousand, nine hundred ninety-three".