21100120232083 has 2 divisors, whose sum is σ = 21100120232084. Its totient is φ = 21100120232082.

The previous prime is 21100120232011. The next prime is 21100120232123. The reversal of 21100120232083 is 38023202100112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21100120232083 is a prime.

It is not a weakly prime, because it can be changed into another prime (21100120238083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550060116041 + 10550060116042.

It is an arithmetic number, because the mean of its divisors is an integer number (10550060116042).

Almost surely, 2^{21100120232083} is an apocalyptic number.

21100120232083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100120232083 is an equidigital number, since it uses as much as digits as its factorization.

21100120232083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21100120232083 its reverse (38023202100112), we get a palindrome (59123322332195).

The spelling of 21100120232083 in words is "twenty-one trillion, one hundred billion, one hundred twenty million, two hundred thirty-two thousand, eighty-three".