84101122110149 has 4 divisors (see below), whose sum is σ = 84108225857280. Its totient is φ = 84094018363020.

The previous prime is 84101122110097. The next prime is 84101122110151. The reversal of 84101122110149 is 94101122110148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84101122110149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84101122110349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551855807 + ... + 3551879484.

It is an arithmetic number, because the mean of its divisors is an integer number (21027056464320).

Almost surely, 2^{84101122110149} is an apocalyptic number.

It is an amenable number.

84101122110149 is a deficient number, since it is larger than the sum of its proper divisors (7103747131).

84101122110149 is a wasteful number, since it uses less digits than its factorization.

84101122110149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103747130.

The product of its (nonzero) digits is 4608, while the sum is 35.

Subtracting 84101122110149 from its reverse (94101122110148), we obtain a palindrome (9999999999999).

The spelling of 84101122110149 in words is "eighty-four trillion, one hundred one billion, one hundred twenty-two million, one hundred ten thousand, one hundred forty-nine".