20111022009983 has 2 divisors, whose sum is σ = 20111022009984. Its totient is φ = 20111022009982.

The previous prime is 20111022009977. The next prime is 20111022010049. The reversal of 20111022009983 is 38990022011102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111022009983 - 2²⁶ = 20110954901119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111022008983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055511004991 + 10055511004992.

It is an arithmetic number, because the mean of its divisors is an integer number (10055511004992).

Almost surely, 2^{20111022009983} is an apocalyptic number.

20111022009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111022009983 is an equidigital number, since it uses as much as digits as its factorization.

20111022009983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 20111022009983 in words is "twenty trillion, one hundred eleven billion, twenty-two million, nine thousand, nine hundred eighty-three".