20011112119993 has 2 divisors, whose sum is σ = 20011112119994. Its totient is φ = 20011112119992.

The previous prime is 20011112119991. The next prime is 20011112120057. The reversal of 20011112119993 is 39991121111002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11428368464569 + 8582743655424 = 3380587^2 + 2929632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011112119993 - 2¹ = 20011112119991 is a prime.

Together with 20011112119991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20011112119991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005556059996 + 10005556059997.

It is an arithmetic number, because the mean of its divisors is an integer number (10005556059997).

Almost surely, 2^{20011112119993} is an apocalyptic number.

It is an amenable number.

20011112119993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011112119993 is an equidigital number, since it uses as much as digits as its factorization.

20011112119993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 40.

The spelling of 20011112119993 in words is "twenty trillion, eleven billion, one hundred twelve million, one hundred nineteen thousand, nine hundred ninety-three".