20111011010983 has 2 divisors, whose sum is σ = 20111011010984. Its totient is φ = 20111011010982.

The previous prime is 20111011010963. The next prime is 20111011011037. The reversal of 20111011010983 is 38901011011102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20111011010983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111011010963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055505505491 + 10055505505492.

It is an arithmetic number, because the mean of its divisors is an integer number (10055505505492).

Almost surely, 2^{20111011010983} is an apocalyptic number.

20111011010983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111011010983 is an equidigital number, since it uses as much as digits as its factorization.

20111011010983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 20111011010983 in words is "twenty trillion, one hundred eleven billion, eleven million, ten thousand, nine hundred eighty-three".