20211011100983 has 2 divisors, whose sum is σ = 20211011100984. Its totient is φ = 20211011100982.

The previous prime is 20211011100971. The next prime is 20211011101009. The reversal of 20211011100983 is 38900111011202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20211011100983 - 2¹⁶ = 20211011035447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211011100923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105505550491 + 10105505550492.

It is an arithmetic number, because the mean of its divisors is an integer number (10105505550492).

Almost surely, 2^{20211011100983} is an apocalyptic number.

20211011100983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211011100983 is an equidigital number, since it uses as much as digits as its factorization.

20211011100983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 20211011100983 in words is "twenty trillion, two hundred eleven billion, eleven million, one hundred thousand, nine hundred eighty-three".