84101122110851 has 2 divisors, whose sum is σ = 84101122110852. Its totient is φ = 84101122110850.

The previous prime is 84101122110829. The next prime is 84101122110883. The reversal of 84101122110851 is 15801122110148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84101122110851 - 2⁶ = 84101122110787 is a prime.

It is not a weakly prime, because it can be changed into another prime (84101122110821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42050561055425 + 42050561055426.

It is an arithmetic number, because the mean of its divisors is an integer number (42050561055426).

Almost surely, 2^{84101122110851} is an apocalyptic number.

84101122110851 is a deficient number, since it is larger than the sum of its proper divisors (1).

84101122110851 is an equidigital number, since it uses as much as digits as its factorization.

84101122110851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 35.

Adding to 84101122110851 its reverse (15801122110148), we get a palindrome (99902244220999).

The spelling of 84101122110851 in words is "eighty-four trillion, one hundred one billion, one hundred twenty-two million, one hundred ten thousand, eight hundred fifty-one".